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_20466963_4 (date VARCHAR, guest_4 VARCHAR)

### Question ###
How many dates are associated with a guest 4 being Jim Jeffries (debut)?

### Accurate SQL ###

SELECT COUNT(date) FROM table_20466963_4 WHERE guest_4 = "Jim Jeffries (debut)"