user: Question: WHAT DATE HAD A SCORE OF 71-64?
Columns: ['Date', 'Opponent', 'Score', 'Result', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['September 19', 'vs. Seattle', '77-69', 'Win', '1-0']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Score" = '71-64';