CREATE TABLE table_30094 ("Series #" FLOAT, "Season #" FLOAT, "Title" TEXT, "Written by" TEXT, "Original air date" TEXT, "U.S. Viewers  ( millions ) " TEXT)

What is the season number of the show written by both Kari Lizer and Jeff Astrof?
SELECT COUNT("Season #") FROM table_30094 WHERE "Written by" = 'Kari Lizer'
SELECT COUNT("Season #") FROM "table_30094" WHERE "Written by" = 'Kari Lizer'