Which Opponent has a Game site of heinz field, and a Record of 3–1?
CREATE TABLE table_name_7 (opponent VARCHAR, game_site VARCHAR, record VARCHAR)
SELECT opponent FROM table_name_7 WHERE game_site = "heinz field" AND record = "3–1"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_7 (opponent VARCHAR, game_site VARCHAR, record VARCHAR) Question: Which Opponent has a Game site of heinz field, and a Record of 3–1? [/INST] SELECT opponent FROM table_name_7 WHERE game_site = "heinz field" AND record = "3–1" </s>