Question: At which installation of the United States Army located in Suffolk County did Irving Berlin serve?
Sentence (from "Yip Yip Yaphank"): Yip Yip Yaphank is the name of musical revue composed and produced by Irving Berlin in 1918 while he was a recruit during World War I in the United States Army's 152nd Depot Brigade at Camp Upton in Yaphank, New York.
Relevant evidence: Yes