Question: What is the name of the American communications consulting firm founded in 2001 by Carter Eskew, Michael Feldman, Joe Lockhart and Chip Smith, that's headquarters are located in Washington D.C.?
Sentence (from "Michael Feldman (consultant)"): Michael Feldman (born October 14, 1968) is an American public relations and communications consultant and a former Democratic political adviser.
Relevant evidence: No