Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_29141354_7 (first_broadcast VARCHAR, andrew_and_jacks_guest VARCHAR)

### Question ###
When was the episode with Amy Williams as Andrew and Jack's guest broadcast?

### Accurate SQL ###

SELECT first_broadcast FROM table_29141354_7 WHERE andrew_and_jacks_guest = "Amy Williams"