Question: What state is the 31st most extensive and the 25th most populous of the 50 United States, where Shreveport is the third largest city and Littleberry Calhoun Allen, Jr was a two-term Democratic mayor?
Sentence (from "Oklahoma"): Its residents are known as "Oklahomans," or informally "Okies", and its capital and largest city is Oklahoma City.
Relevant evidence: No