CREATE TABLE table_name_50 (first_party VARCHAR2, second_member VARCHAR2, second_party VARCHAR2)

Which of the first parties has second member as Charles Robert Colvile, and a liberal second party?
SELECT first_party FROM table_name_50 WHERE second_member = "charles robert colvile" AND second_party = "liberal"
SELECT "first_party" FROM "table_name_50" WHERE "charles robert colvile" = "second_member" AND "liberal" = "second_party"