user: Question: who lost on August 21?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['August 1', '@ Cubs', '3–2', 'Thomson (5–8)', '48–62']
SQL:

assistant: SELECT "Loss" FROM "Table" WHERE "Date" = 'August 21';