user: ### NOW ANSWER:
Question: Which Rank has a Capacity smaller than 12000, and a Country of United States?
Columns: ['Rank', 'Stadium', 'Capacity', 'City', 'Country']
Types: ['real', 'text', 'real', 'text', 'text']
Sample row: [1.0, 'Queensland Sport and Athletics Centre', 49000.0, 'Brisbane', 'Australia']
SQL:

assistant: SELECT SUM("Rank") FROM "Table" WHERE "Capacity" < 12000.0 AND "Country" = 'United States';