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 "Temple Theater (Meridian, Mississippi)"): The theater houses one of only two Robert Morton theatre organs still installed in their original locations in the State of Mississippi – the other being installed at the Saenger Theater in Hattiesburg, Mississippi.
Relevant evidence: Yes