user: Question: How many competitions had a final score of 15.650?
Columns: ['Year', 'Competition Description', 'Location', 'Apparatus', 'Rank-Final', 'Score-Final', 'Rank-Qualifying', 'Score-Qualifying']
Types: ['real', 'text', 'text', 'text', 'real', 'text', 'real', 'text']
Sample row: [2007.0, 'World Championships', 'Stuttgart', 'Team', 2.0, '183.450', 2.0, '241.175']
SQL:

assistant: SELECT COUNT("Competition Description") FROM "Table" WHERE "Score-Final" = '15.650';