CREATE TABLE table_22965 ("Year" FLOAT, "Division" FLOAT, "League" TEXT, "Regular Season" TEXT, "Playoffs" TEXT, "U.S. Open Cup" TEXT, "Avg. Attendance" FLOAT)

What league has an average attendance of 1452?
SELECT "League" FROM table_22965 WHERE "Avg. Attendance" = '1452'
SELECT "League" FROM "table_22965" WHERE "Avg. Attendance" = '1452'