user: Question: Who's the opponent for June 13?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['June 2', '@ Brewers', '8–6', 'Bere (3–4)', '14,110', '29–22']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Date" = 'June 13';