Question: Which candidate did Edward Timpson defeat, Laura Smith or Tamsin Dunwoody? 
Sentence (from "Crewe and Nantwich by-election, 2008"): The election was won by the Conservative party candidate Edward Timpson, who defeated the Labour party candidate Tamsin Dunwoody, on a swing from Labour to Conservative of 17.6%, a swing that in a general election would see nine Labour cabinet ministers lose their seats.
Relevant evidence: Yes