CREATE TABLE table_204_880 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "event" TEXT, "notes" TEXT)

was the venue in athens or beijing associated with 31st place ?
SELECT "venue" FROM table_204_880 WHERE "venue" IN ('athens', 'beijing') AND "position" = 31
SELECT "venue" FROM "table_204_880" WHERE "position" = 31 AND "venue" IN ('athens', 'beijing')