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"): From 2005 to 2007, the team played in RFK Stadium; since 2008 their home stadium has been Nationals Park on South Capitol Street in Southeast D.C., near the Anacostia River.
Relevant evidence: Yes