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_20427 ( "Episode Number" real, "Air Date" text, "Guest Host" text, "Musical Guest (Song performed)" text, "Who knows the most about the guest host? Panelists" text, "Coat Of Cash Wearing Celebrity" text )

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

### Accurate SQL ###

SELECT COUNT("Episode Number") FROM table_20427 WHERE "Guest Host" = 'Pamela Anderson'