How many publications does the contributor who published On Search, Decision and the Efficiency of Polynomial-Time Algorithms (Extended Abstract) with Michael A. Langston at STOC 1989 have?
341
Michael R. Fellows et al.: Parameterized Low-distortion Embeddings - Graph metrics into lines and trees (2008) authored by Michael R. Fellows. Hans L. Bodlaender et al.: Two Strikes Against Perfect Phylogeny. (1992) authored by Michael R. Fellows. Michael R. Fellows et al.: Sharp Tractability Borderlines for Finding Connected Motifs in Vertex-Colored Graphs. (2007) authored by Michael R. Fellows. John A. Ellis et al.: The Dominating Set Problem Is Fixed Parameter Tractable for Graphs of Bounded Genus. (2002) authored by Michael R. Fellows. Leo Brueggeman et al.: Train Marshalling Is Fixed Michael R. Fellows et al.: Parameterized Approximation via fidelity preserving transformations. (1993) authored by Michael R. Fellows. Rodney G. Downey et al.: Graph-Based Data Clustering with Overlaps. Michael R. Fellows et al.: Finite-Basis Theorems and a Computation-Integrated Approach to Obstruction Set Isolation. (2008) authored by Michael R. Fellows. Julien Baste et al.: Diversity of Solutions: An Exploration through the lens of fixed-parameter tractability theory. (2022). <unk>n2) Order of Australia, Companion to the Queen (AC) 2016. Mike and Frances Rosamond give workshops to Aboriginal schools in Australia, India and around the world. <unk>n3) EATCS Fellow 2014... D. These materials can be used to make early education more exciting and engaging.
[INST]
Utilize the provided context information, to generate answers to the following question: 
- Generate the answer to the question based on the provided context.
- Avoid including any explanations or apologies in your responses.
- Only respond to questions that ask for the answer to the target question without any additional information.
- Strictly provide the answer without any additional text.
Question: How many publications does the contributor who published On Search, Decision and the Efficiency of Polynomial-Time Algorithms (Extended Abstract) with Michael A. Langston at STOC 1989 have?
Context: Michael R. Fellows et al.: Parameterized Low-distortion Embeddings - Graph metrics into lines and trees (2008) authored by Michael R. Fellows. Hans L. Bodlaender et al.: Two Strikes Against Perfect Phylogeny. (1992) authored by Michael R. Fellows. Michael R. Fellows et al.: Sharp Tractability Borderlines for Finding Connected Motifs in Vertex-Colored Graphs. (2007) authored by Michael R. Fellows. John A. Ellis et al.: The Dominating Set Problem Is Fixed Parameter Tractable for Graphs of Bounded Genus. (2002) authored by Michael R. Fellows. Leo Brueggeman et al.: Train Marshalling Is Fixed Michael R. Fellows et al.: Parameterized Approximation via fidelity preserving transformations. (1993) authored by Michael R. Fellows. Rodney G. Downey et al.: Graph-Based Data Clustering with Overlaps. Michael R. Fellows et al.: Finite-Basis Theorems and a Computation-Integrated Approach to Obstruction Set Isolation. (2008) authored by Michael R. Fellows. Julien Baste et al.: Diversity of Solutions: An Exploration through the lens of fixed-parameter tractability theory. (2022). <unk>n2) Order of Australia, Companion to the Queen (AC) 2016. Mike and Frances Rosamond give workshops to Aboriginal schools in Australia, India and around the world. <unk>n3) EATCS Fellow 2014... D. These materials can be used to make early education more exciting and engaging.
[/INST] Answer:
