user: Question: What year was the Win percentage 60%?
Columns: ['Name', 'Years', 'Tests', 'Drew', 'Lost', 'Win percentage']
Types: ['text', 'text', 'real', 'real', 'real', 'text']
Sample row: ['Alex McDonald', '1949', 4.0, 0.0, 4.0, '0%']
SQL:

assistant: SELECT "Years" FROM "Table" WHERE "Win percentage" = '60%';