Table schema:
CREATE TABLE table_name_66 (top_division_titles INTEGER, number_of_seasons_in_liga_mx VARCHAR, club VARCHAR)

Question: How many top division titles does Club Guadalajara have, with more than 42 seasons in Liga MX?
SQL: SELECT SUM(top_division_titles) FROM table_name_66 WHERE number_of_seasons_in_liga_mx > 42 AND club = "guadalajara"