CREATE TABLE table_203_672 (id DECIMAL, "week" DECIMAL, "date" TEXT, "opponent" TEXT, "result" TEXT, "venue" TEXT, "attendance" DECIMAL)

which was the only stadium where attendance was greater than 70,000 ?
SELECT "venue" FROM table_203_672 WHERE "attendance" > 70000
SELECT "venue" FROM "table_203_672" WHERE "attendance" > 70000