user: Question: What is the total capacity for the city of Trogir?
Columns: ['Club', 'City', 'Stadium', '2006–07 result', 'Capacity']
Types: ['text', 'text', 'text', 'text', 'real']
Sample row: ['Belišće', 'Belišće', 'Gradski stadion', '7th in 2. HNL', 3000.0]
SQL:

assistant: SELECT SUM("Capacity") FROM "Table" WHERE "City" = 'Trogir';