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

which party had the most number of seats ?
SELECT "party name" FROM table_204_690 ORDER BY "seats" DESC LIMIT 1
SELECT "party name" FROM "table_204_690" ORDER BY "seats" DESC FETCH FIRST 1 ROWS ONLY