What is the Segment A entry for the episode that has an entry of Diesel filters for Segment D?
CREATE TABLE table_name_91 (segment_a VARCHAR, segment_d VARCHAR)
SELECT segment_a FROM table_name_91 WHERE segment_d = "diesel filters"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_91 (segment_a VARCHAR, segment_d VARCHAR) Question: What is the Segment A entry for the episode that has an entry of Diesel filters for Segment D? [/INST] SELECT segment_a FROM table_name_91 WHERE segment_d = "diesel filters" </s>