user: Question: Playoffs of League Champs, and a Record of 77-63 is in what league?
Columns: ['Year', 'League', 'Class', 'Record', 'Finish', 'Manager', 'Playoffs']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1919.0, 'Western League', 'A', '77-63', '2nd', 'Spencer Abbott', 'League Champs']
SQL:

assistant: SELECT "League" FROM "Table" WHERE "Playoffs" = 'League Champs' AND "Record" = '77-63';