Table: hughes_hall_boat_club_2
Columns: year
finish_position
1st_day
2nd_day
3rd_day
4th_day

Question: What is the 4th day when the 2nd day is Bumped Caius?
SQL: SELECT "4th_day" FROM hughes_hall_boat_club_2 WHERE "2nd_day" = 'bumped caius'

Question: What is the year that the 3rd say is Rowed-Over and the 4th day was bumped Corpus Christi?
SQL: SELECT AVG("year") FROM hughes_hall_boat_club_2 WHERE "3rd_day" = 'rowed-over' AND "4th_day" = 'bumped corpus christi'

Question: What is the 3rd day when the 4th day is bumped by Caius?
SQL: SELECT "3rd_day" FROM hughes_hall_boat_club_2 WHERE "4th_day" = 'bumped by caius'

Question: What was the 4th day in the year before 2012 that the finish is 33rd?
SQL: SELECT "4th_day" FROM hughes_hall_boat_club_2 WHERE "year" < 2012 AND "finish_position" = '33rd'