Table: survivor_episode_4
Columns: first_air_date
reward
immunity
eliminated
vote
finish

Question: What is listed in eliminated when the finish is 15th voted out 9th jury Member Day 46?
SQL: SELECT "eliminated" FROM survivor_episode_4 WHERE "finish" = '15th Voted Out 9th Jury Member Day 46'

Question: What is listed in reward when the finish is listed at 13th voted out 6th jury Member Day 43?
SQL: SELECT "reward" FROM survivor_episode_4 WHERE "finish" = '13th Voted Out 6th Jury Member Day 43'

Question: What is the name of immunity when the finish is 3rd voted out day 9?
SQL: SELECT "immunity" FROM survivor_episode_4 WHERE "finish" = '3rd Voted Out Day 9'

Question: What is the vote number when immunity listed as David and reward is listed as none?
SQL: SELECT "vote" FROM survivor_episode_4 WHERE "immunity" = 'David' AND "reward" = 'None'