Question: What decade old football team beat Old Etonians in the Football Association Callenge Cup that marked the turning point in the sport from upper-class gentleman to a professional sport?
Sentence (from "Blackburn Olympic F.C."): The cup had previously been won only by teams of wealthy amateurs from the Home counties, and Olympic's victory marked a turning point in the sport's transition from a pastime for upper-class gentlemen to a professional sport.
Relevant evidence: Yes