Which poll source has a lead of 17?
CREATE TABLE table_name_87 (poll_source VARCHAR, lead_margin VARCHAR)
SELECT poll_source FROM table_name_87 WHERE lead_margin = 17
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_87 (poll_source VARCHAR, lead_margin VARCHAR) Question: Which poll source has a lead of 17? [/INST] SELECT poll_source FROM table_name_87 WHERE lead_margin = 17 </s>