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_15451122_2 (assembled VARCHAR, first_member VARCHAR)

### Question ###
What date was parliament assembled when John rudhale was first member?

### Accurate SQL ###

SELECT assembled FROM table_15451122_2 WHERE first_member = "John Rudhale"