user: Question: Who were the champions in 1988?
Columns: ['Location', 'Year', 'Champion', 'Runner-up', 'Score']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Forest Hills', 1980.0, 'Peter Fleming John McEnroe', 'Peter McNamara Paul McNamee', '6–2, 5–7, 6–2']
SQL:

assistant: SELECT "Champion" FROM "Table" WHERE "Year" = 1988.0;