user: Question: How many dates did Daniel Ruiz win the Spanish Grand Prix?
Columns: ['Round', 'Date', 'Grand Prix', 'Circuit', 'Pole Position', 'Fastest Lap', 'Race Winner']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'May 1', 'Spanish Grand Prix', 'Jerez', 'Daijiro Hiura', 'Daniel Ruiz', 'Danny Kent']
SQL:

assistant: SELECT COUNT("Date") FROM "Table" WHERE "Grand Prix" = 'Spanish Grand Prix' AND "Race Winner" = 'Daniel Ruiz';