CREATE TABLE table_11548 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT, "Record" TEXT)

Who was the visitor when toronto was at home with over 17,019 attending?
SELECT "Visitor" FROM table_11548 WHERE "Attendance" > '17,019' AND "Home" = 'toronto'
SELECT "Visitor" FROM "table_11548" WHERE "Attendance" > '17,019' AND "Home" = 'toronto'