CREATE TABLE table_35658 ("Year" FLOAT, "League" CLOB, "Class" CLOB, "Record" CLOB, "Finish" CLOB, "Manager" CLOB, "Playoffs" CLOB)

Playoffs of league champs, and a Record of 77-63 is in what league?
SELECT "League" FROM table_35658 WHERE "Playoffs" = 'league champs' AND "Record" = '77-63'
SELECT "League" FROM "table_35658" WHERE "Playoffs" = 'league champs' AND "Record" = '77-63'