CREATE TABLE table_35307 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Which Runner(s)-up has a Tournament of general foods pga seniors' championship?
SELECT "Runner(s)-up" FROM table_35307 WHERE "Tournament" = 'general foods pga seniors'' championship'
SELECT "Runner(s)-up" FROM "table_35307" WHERE "Tournament" = 'general foods pga seniors\' championship'