Question: The Social Democratic Party (SDP) formed in 1988 was a political party in the United Kingdom led by David Owen which lasted for?
Sentence (from "Shirley Williams"): Shirley Vivian Teresa Brittain Williams, Baroness Williams of Crosby, ("née" Catlin; born 27 July 1930) is a British politician and academic who represents the Liberal Democrats.
Relevant evidence: No