Question: What American politician, who was the first formally designated floor leader in the United States Senate, lived at 2000 G Street in Washington, D.C. from 1914 to 1925?
Sentence (from "Oscar W. Underwood House"): The Oscar W. Underwood House is a historic house located at 2000 G Street in the Foggy Bottom neighborhood Northwest, Washington, D.C..
Relevant evidence: Yes