CREATE TABLE table_2231241_1 (election VARCHAR(255), seat_no_1 VARCHAR(255), seat_no_5 VARCHAR(255))
which election had seat no 1 filled by jacques lachapelle but seat no 5 was filled by g. sanscartier
    
SQL: SELECT election FROM table_2231241_1 WHERE seat_no_1 = "Jacques Lachapelle" AND seat_no_5 = "G. Sanscartier"