Question: Katie Green, is an English model from Chichester, West Sussex, she initiated a campaign against size zero models with which Liberal Democrat, a British politician, a member of the Liberal Democrats, he served as a member of parliament (MP) representing the constituency of Montgomeryshire in Wales from 1997 until he lost his seat at the 2010 general election?
Sentence (from "Lembit Öpik"): He was the leader of the Welsh Liberal Democrats from 2001 to 2007.
Relevant evidence: No