user: Question: What is the total medals in 1964?
Columns: ['Player', 'Country', 'Year(s) won', 'Total', 'To par', 'Finish']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Jack Nicklaus', 'United States', '1963 , 1971 , 1973 1975 , 1980', 275.0, '–9', '2']
SQL:

assistant: SELECT SUM("Total") FROM "Table" WHERE "Year(s) won" = '1964';