Table schema:
CREATE TABLE table_name_31 (second_party VARCHAR, first_member VARCHAR, second_member VARCHAR, first_party VARCHAR)

Question: Which of the second parties has second member Charles Robert Colvile, a conservative first party, and first member William Mundy?
SQL: SELECT second_party FROM table_name_31 WHERE second_member = "charles robert colvile" AND first_party = "conservative" AND first_member = "william mundy"