user: Question: what opponent has the record of 78-63?
Columns: ['Date', 'Opponent', 'Score', 'Loss', 'Record']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['September 2', '@ Blue Jays', '7 - 5', 'Bonser (3-7)', '77-61']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Record" = '78-63';