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

at what venue did the first game take place ?
SELECT "venue" FROM table_203_672 ORDER BY "date" LIMIT 1
SELECT "venue" FROM "table_203_672" ORDER BY "date" NULLS FIRST LIMIT 1