CREATE TABLE table_19283982_4 (_number_of_candidates VARCHAR, _number_of_seats_won VARCHAR)

Name the number of candidates for # of seats won being 43
SELECT _number_of_candidates FROM table_19283982_4 WHERE _number_of_seats_won = 43
SELECT "_number_of_candidates" FROM "table_19283982_4" WHERE "_number_of_seats_won" = 43