CREATE TABLE table_56286 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Decision" TEXT, "Attendance" FLOAT, "Record" TEXT)

What Visiting Team(s) had an Attendance of over 18,680
SELECT "Visitor" FROM table_56286 WHERE "Attendance" > '18,680'
SELECT "Visitor" FROM "table_56286" WHERE "Attendance" > '18,680'