user: Question: How often are the Olympic Games hosted?
Columns: ['Year', 'Tournament', 'Venue', 'Result', 'Extra']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1983.0, 'World Championships', 'Helsinki , Finland', '8th', 'Heptathlon']
SQL:

assistant: SELECT COUNT("Year") FROM "Table" WHERE "Tournament" = 'Olympic Games';