When david o'doherty and katherine parkinson are both on the davids team when is the first broadcast?
CREATE TABLE table_23575917_6 (first_broadcast VARCHAR, davids_team VARCHAR)
SELECT first_broadcast FROM table_23575917_6 WHERE davids_team = "David O'Doherty and Katherine Parkinson"
<s>[INST] Write mssql query to answer the following question given the database schema. Schema: CREATE TABLE table_23575917_6 (first_broadcast VARCHAR, davids_team VARCHAR) Question: When david o'doherty and katherine parkinson are both on the davids team when is the first broadcast? [/INST] SELECT first_broadcast FROM table_23575917_6 WHERE davids_team = "David O'Doherty and Katherine Parkinson" </s>