Question: The fourth Baron Derwent served in the Conservative administration of which British statesman of the Conservative Party who served as Prime Minister from October 1963 to October 1964?
Sentence (from "Alec Douglas-Home"): He is notable for being the last Prime Minister to hold office while being a member of the House of Lords, before renouncing his peerage and taking up a seat in the House of Commons for the remainder of his premiership.
Relevant evidence: No