Table: amusement_park_ranks
Columns: rank
water_park
location
2011
2012

Question: what is the water park with the rank 20?
SQL: SELECT "water_park" FROM amusement_park_ranks WHERE "rank" = 20

Question: what is 2011 when the rank is less than 8 and the water park is ocean world?
SQL: SELECT SUM("2011") FROM amusement_park_ranks WHERE "rank" < 8 AND "water_park" = 'ocean world'