user: Question: Name the average total for years won of 1975
Columns: ['Player', 'Country', 'Year(s) won', 'Total', 'To par', 'Finish']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Jack Nicklaus', 'United States', '1962 , 1967 , 1972 , 1980', 284.0, '–4', '2']
SQL:

assistant: SELECT AVG("Total") FROM "Table" WHERE "Year(s) won" = '1975';