Question: The designer of the Sikorsky S-3 won an award at the Moscow Aviation Exhibition in what year?
Sentence (from "Moscow Aviation Institute Sh-Tandem"): The Moscow Aviation Institute Sh-Tandem (Russian: Ш-Тандем , other designations include Sh-MAI and MAI-Tandem) was a Soviet experimental ground attack aircraft of the 1930s.
Relevant evidence: No