user: Question: What date was the loss of Ponson (4–3)?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Time', 'Att.', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['May 1', 'Athletics', '7–5', 'Halama (1–2)', '2:57', '10,639', '15–13']
SQL:

assistant: SELECT "Date" FROM "Table" WHERE "Loss" = 'Ponson (4–3)';