Question: In which year did the cricketer who took a hat-trick of wickets in the 2015 Royal London One-Day Cup Final make his first class debut ?
Sentence (from "2015 Royal London One-Day Cup"): It was won by Gloucestershire County Cricket Club, who defeated Surrey by the narrow margin of six runs, despite a hat-trick from Jade Dernbach, in what was described as 'a thrilling finish'.
Relevant evidence: Yes