In which year did the fellow at the Berkman-Klein Center for Internet and Society at Harvard University become a faculty associate at the same structure?
2015-2017
Samer Hassan et al.: Metamodelling for Agent Based Modelling: An Application for Continuous Double Auctions. (2018) authored by Samer Hassan 0001. Jorge Saldivar et al.: Design Challenges of Blockchain-based Applications. (2008) authored by Samer Hassan 0001. Youssef El Faqir et al.: A Scalable Voting System: Validation of Holographic Consensus in DAOstack. (2010) authored by Samer Hassan 0001. British MP and Opposition Leader Ed Miliband showcased his research and its potential impact on policy.
[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: In which year did the fellow at the Berkman-Klein Center for Internet and Society at Harvard University become a faculty associate at the same structure?
Context: Samer Hassan et al.: Metamodelling for Agent Based Modelling: An Application for Continuous Double Auctions. (2018) authored by Samer Hassan 0001. Jorge Saldivar et al.: Design Challenges of Blockchain-based Applications. (2008) authored by Samer Hassan 0001. Youssef El Faqir et al.: A Scalable Voting System: Validation of Holographic Consensus in DAOstack. (2010) authored by Samer Hassan 0001. British MP and Opposition Leader Ed Miliband showcased his research and its potential impact on policy.
[/INST] Answer:
