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)

who was the party leader before colin eglin ?
SELECT "party leader(s)" FROM table_204_690 WHERE "election" < (SELECT MIN("election") FROM table_204_690 WHERE "party leader(s)" = 'colin eglin') ORDER BY "election" DESC LIMIT 1
SELECT "party leader(s)" FROM "table_204_690" WHERE "election" < (SELECT MIN("election") FROM "table_204_690" WHERE "party leader(s)" = 'colin eglin') ORDER BY "election" DESC FETCH FIRST 1 ROWS ONLY