Title: Oklahoma City.
Question: What place was Oklahoma cities population ranked in the nation in 2012?

Title: Uranium.
Question: What is uranium's symbol on the Periodic Table of Elements?

Title: Catalan language.
Question: When had Catalan covered the eastern end of the Pyrenees?

Title: Separation of church and state in the United States.
Question:
What is the last part of the sentence of the First Amendment known as?