user: Question: What total average has 1988 has the year (s) won?
Columns: ['Player', 'Country', 'Year(s) won', 'Total', 'To par', 'Finish']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Steve Elkington', 'Australia', '1995', 274.0, '–6', '3']
SQL:

assistant: SELECT AVG("Total") FROM "Table" WHERE "Year(s) won" = '1988';