When did the staff member with first name as Janessa and last name as Sawayn join the company?
CREATE TABLE Staff (date_joined_staff VARCHAR, first_name VARCHAR, last_name VARCHAR)
SELECT date_joined_staff FROM Staff WHERE first_name = "Janessa" AND last_name = "Sawayn"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE Staff (date_joined_staff VARCHAR, first_name VARCHAR, last_name VARCHAR) Question: When did the staff member with first name as Janessa and last name as Sawayn join the company? [/INST] SELECT date_joined_staff FROM Staff WHERE first_name = "Janessa" AND last_name = "Sawayn" </s>