CREATE TABLE table_name_86 (liberal_leader VARCHAR, _percentage_of_popular_vote VARCHAR, seats_won VARCHAR, seats_in_house VARCHAR)

Which Liberal leader has Seats won smaller than 100, and Seats in House of 215, and a % of popular vote of 43.1%?
SELECT liberal_leader FROM table_name_86 WHERE seats_won < 100 AND seats_in_house = 215 AND _percentage_of_popular_vote = "43.1%"
SELECT "liberal_leader" FROM "table_name_86" WHERE "43.1%" = "_percentage_of_popular_vote" AND "seats_in_house" = 215 AND "seats_won" < 100