user: Question: If the total points is 50.5, what is the total number of dances?
Columns: ['Rank by average', 'Place', 'Couple', 'Number of Dances', 'Total Points', 'Average']
Types: ['real', 'real', 'text', 'real', 'text', 'text']
Sample row: [1.0, 1.0, 'Ray & Maria', 11.0, '300.5', '27.3']
SQL:

assistant: SELECT SUM("Number of Dances") FROM "Table" WHERE "Total Points" = '50.5';