Definition: In this task, you're given a question, along with a context passage. The passage will not have a direct answer to the question, but can include some information and a clue for the answer. Assuming you can only obtain information about one entity in the passage, your job is to determine whether information from the passage can be used to answer the question. Indicate your choice as `a` for Yes or `b` for No.
Input: Question: How old was Whitehouse when he defeated Chafee? Passage:Chafee was the only Republican in the Senate to vote against authorization of the use of force in Iraq in the lead-up to the Iraq War. He was defeated in his 2006 reelection bid by Democrat Sheldon Whitehouse. Chafee subsequently shifted his affiliation towards the Democratic Party by first endorsing Barack Obama in the 2008 presidential election, running as an independent for Governor of Rhode Island in 2010, serving as the co-chair of Obama's 2012 re-election campaign, and then finally officially switching his registration to the Democratic Party in May 2013. In 2015, he sought nomination to be the Democratic Party candidate in the 2016 presidential election, but withdrew prior to the primaries and later endorsed Hillary Clinton. In 2019, Chafee expressed interest in running in the Libertarian primary for President in the 2020 election.


b