user: Question: How many draws have rumba/tango dance styles?
Columns: ['Draw', 'Competing dancers', 'Dance styles', 'Rank', 'Points']
Types: ['real', 'text', 'text', 'real', 'real']
Sample row: [1.0, 'Danny Saucedo & Jeanette Carlsson', 'Cha-Cha', 12.0, 38.0]
SQL:

assistant: SELECT COUNT("Draw") FROM "Table" WHERE "Dance styles" = 'rumba/tango';