user: Question: When was there a result of W 65-20 after week 6?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Record']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'September 26, 1949', 'Washington Redskins', 'W 38-7', '1-0']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Week" > 6.0 AND "Result" = 'W 65-20';