user: Question: what is the water park with the rank 20?
Columns: ['Rank', 'Water park', 'Location', '2011', '2012']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Typhoon Lagoon at Walt Disney World Resort', 'Lake Buena Vista, Florida , USA', 2058000.0, 2100000.0]
SQL:

assistant: SELECT "Water park" FROM "Table" WHERE "Rank" = 20.0;