user: Question: What date is the visitor Ottawa?
Columns: ['Date', 'Visitor', 'Score', 'Home', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['October 6', 'Detroit', '2 – 3', 'Colorado', '0–1–0']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Visitor" = 'Ottawa';