Question: What year was the trophy, in which the 1989-90 Calgary Flames won, commissioned?
Sentence (from "Stanley Cup"): Originally commissioned in 1892 as the "Dominion Hockey Challenge Cup", the trophy is named after Lord Stanley of Preston, then–Governor General of Canada, who donated it as an award to Canada's top-ranking amateur ice hockey club, which the entire Stanley family supported, with the sons and daughters playing and promoting the game.
Relevant evidence: Yes