Question: The Hamasa Shrine Temple Theater houses one of only two Robert Morton theatre organs, with the other at the Saenger Theater in a city primarily in Forrest County with a population at the 2010 census of what? 
Sentence (from "Hattiesburg, Mississippi"): The city population was 45,989 at the 2010 census, with an estimated population of 46,805 in 2015.
Relevant evidence: Yes