user: Question: What 1978 has a 1976 of 62%?
Columns: ['Tournament', '1973', '1974', '1975', '1976', '1977', '1978', '1979', '1983', '1984', '1985', '1986']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments', 'Grand Slam tournaments']
SQL:

assistant: SELECT "1978" FROM "Table" WHERE "1976" = '62%';