Table: whoseline_episodes_4
Columns: date
episode
performer_1
performer_2
performer_3
performer_4

Question: Episode of 9 in which performer 3 had?
SQL: SELECT "performer_3" FROM whoseline_episodes_4 WHERE "episode" = 9

Question: Date of 8 july 1994 involves which performer 1?
SQL: SELECT "performer_1" FROM whoseline_episodes_4 WHERE "date" = '8 july 1994'

Question: Date of 15 july 1994 involves which performer 3?
SQL: SELECT "performer_3" FROM whoseline_episodes_4 WHERE "date" = '15 july 1994'

Question: Performer 2 of chip esten has what performer 3?
SQL: SELECT "performer_3" FROM whoseline_episodes_4 WHERE "performer_2" = 'chip esten'