user: Question: What is the highest rank of an athlete from Switzerland in a heat larger than 3?
Columns: ['Rank', 'Heat', 'Name', 'Nationality', 'Time']
Types: ['real', 'real', 'text', 'text', 'real']
Sample row: [1.0, 3.0, 'Tyson Gay', 'United States', 20.08]
SQL:

assistant: SELECT MAX("Rank") FROM "Table" WHERE "Heat" > 3.0 AND "Nationality" = 'Switzerland';