CREATE TABLE table_204_690 (id DECIMAL, "election" DECIMAL, "party name" TEXT, "total votes" DECIMAL, "share of votes" TEXT, "seats" DECIMAL, "share of seats" TEXT, "party leader ( s ) " TEXT, "notes" TEXT)

what election had the most total votes ?
SELECT "election" FROM table_204_690 ORDER BY "total votes" DESC LIMIT 1
SELECT "election" FROM "table_204_690" ORDER BY "total votes" DESC NULLS LAST LIMIT 1