Question: What is the name of the professional baseball team based in Washington DC which played at RFK Stadium and Nationals Park and for whom Melvin Dorta had his debut in 2006?
Sentence (from "Washington Nationals"): The Washington Nationals are a professional baseball team based in Washington, D.C. The Nationals compete in Major League Baseball (MLB) as a member club of the National League (NL) East division.
Relevant evidence: Yes