Question: Elizabeth Christ Trump founded a real estate company with her son, who operated primarily in what city?
Sentence (from "Fred Trump"): Frederick Christ Trump Sr. (October 11, 1905 – June 25, 1999) was an American real estate developer and philanthropist, primarily in New York City, and father of Donald Trump, the 45th President of the United States, and Maryanne Trump Barry, a United States Court of Appeals judge.
Relevant evidence: Yes