user: Question: How many ages for player Amy Cato?
Columns: ['Candidate', 'Background', 'Original team', 'Age', 'Hometown', 'Result']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Andrew "Morello" Morello', 'Auctioneer', 'Pinnacle', 23.0, 'Melbourne, Victoria', 'Hired by Bouris']
SQL:

assistant: SELECT COUNT("Age") FROM "Table" WHERE "Candidate" = 'Amy Cato';