user: Question: When was the game played if the attendance is less than 6427.0?
Columns: ['#', 'Date', 'at/vs.', 'Opponent', 'Score', 'Attendance', 'Record']
Types: ['real', 'text', 'text', 'text', 'text', 'real', 'text']
Sample row: [1.0, 'January 9, 1988', 'at', 'Washington Wave', '13 - 14', 6624.0, 'Loss']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Attendance" < 6427.0;