From the given sentence, extract the phrase (often noun or verb) that carries the given relationship. The generated phrase should be present in the sentence.

Given Relationship: 'be chairman of', Sentence: 'The new chairman of the House Science Committee , Sherwood Boehlert , R-N.Y. , has spoken out against Tito 's visit , despite the financier 's strong donations to the GOP -- so much so that President Bush himself may make a call to the station when Tito arrives .'
chairman