Question: Which Soviet Union fighter aircraft, nicknamed "Sushka," uses the Saturn AL-31 engine?
Sentence (from "Sukhoi Su-27"): The Sukhoi Su-27 (Russian: Сухой Су-27 ; NATO reporting name: Flanker; nicknamed "Sushka" in USSR) is a twin-engine supermaneuverable fighter aircraft designed by Sukhoi.
Relevant evidence: Yes