Who was Purdue's opponent?
CREATE TABLE table_name_19 (opp_team VARCHAR, big_ten_team VARCHAR)
SELECT opp_team FROM table_name_19 WHERE big_ten_team = "purdue"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_19 (opp_team VARCHAR, big_ten_team VARCHAR) Question: Who was Purdue's opponent? [/INST] SELECT opp_team FROM table_name_19 WHERE big_ten_team = "purdue" </s>