Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : Born in Farmington, Maine, in 1957, Gregory Kearney attended Oak Grove-Coburn School, Vassalboro, Maine, and Brigham Young University, Provo, Utah, where he was the staff cartoonist for the Daily Universe. 
Question : Where did Gregory Kearney study or work?
[EX A]: Brigham Young University

[EX Q]: Context : By the start of World War II Heinz Hämel had been promoted to Oberscharführer (Technical Sergeant) and was a platoon commander. 
Question : Which war did Heinz Hämel serve in?
[EX A]: World War II

[EX Q]: Context : The Salonika Agreement (also called the Thessaloniki Accord) was a treaty signed on 31 July 1938 between Bulgaria on the one hand and the Balkan Entente--the states of Greece, Romania, Turkey and Yugoslavia--on the other. 
Question : What is the date when Salonika Agreement happened?
[EX A]:
31 July 1938