question: which election had seat no 1 filled by jacques lachapelle but seat no 5 was filled by g. sanscartier
answer: SELECT election FROM table_2231241_1 WHERE seat_no_1 = "Jacques Lachapelle" AND seat_no_5 = "G. Sanscartier"
context: CREATE TABLE table_2231241_1 (election VARCHAR, seat_no_1 VARCHAR, seat_no_5 VARCHAR)