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_1590967_7 ( episode_number VARCHAR, guest_host VARCHAR )

### Question ###
What episode did Pamela Anderson guest host.

### Accurate SQL ###

SELECT COUNT(episode_number) FROM table_1590967_7 WHERE guest_host = "Pamela Anderson"