On what date did the Bills play the Houston Oilers before week 12?
CREATE TABLE table_name_79 (date VARCHAR, week VARCHAR, opponent VARCHAR)
SELECT date FROM table_name_79 WHERE week < 12 AND opponent = "houston oilers"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_name_79 (date VARCHAR, week VARCHAR, opponent VARCHAR) Question: On what date did the Bills play the Houston Oilers before week 12? [/INST] SELECT date FROM table_name_79 WHERE week < 12 AND opponent = "houston oilers" </s>