CREATE TABLE table_23727 ("Date" CLOB, "Presenter" CLOB, "Guest 1" CLOB, "Guest 2" CLOB, "Guest 3" CLOB, "Guest 4" CLOB)

How many dates are associated with a guest 4 being Jim Jeffries (debut)?
SELECT COUNT("Date") FROM table_23727 WHERE "Guest 4" = 'Jim Jeffries (debut)'
SELECT COUNT("Date") FROM "table_23727" WHERE "Guest 4" = 'Jim Jeffries (debut)'