What was the date for the pole position of alain prost?
CREATE TABLE table_1140067_2 (date VARCHAR, pole_position VARCHAR)
SELECT date FROM table_1140067_2 WHERE pole_position = "Alain Prost"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_1140067_2 (date VARCHAR, pole_position VARCHAR) Question: What was the date for the pole position of alain prost? [/INST] SELECT date FROM table_1140067_2 WHERE pole_position = "Alain Prost" </s>