Question: Nicola Dickson "Niki" Sauvage Tsongas is an American politician whose husband lost the 1992 Democratic presidential primary to who?
Sentence (from "Niki Tsongas"): From 2007 to 2013 she represented Massachusetts 's 5 congressional district , the district her husband Paul Tsongas served prior to being elected to the United States Senate.
Relevant evidence: Yes