CREATE TABLE table_3320 ("Episode #" TEXT, "Fan Title" TEXT, "Writer" TEXT, "Artist ( s ) " TEXT, "Start Date" TEXT, "End Date" TEXT, "Inc. Dailies?" TEXT, "Inc. Sundays?" TEXT)

Who was the artist with a start date of 1966-10-23?
SELECT "Artist(s)" FROM table_3320 WHERE "Start Date" = '1966-10-23'
SELECT "Artist(s)" FROM "table_3320" WHERE "Start Date" = '1966-10-23'