You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What year was the trophy, in which the 1989-90 Calgary Flames won, commissioned?" whose answer is 1892.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the calder trophy commissioned
Useful Output:

Doc 1: The Calder Cup has had many interesting moments since it was first awarded in 1937. Check out these five fun facts about the Calder Cup!
Doc 2: Butterfield Trophy is awarded to the most valuable player in the playoffs and is named after the late AHL president Jack Butterfield, who served
Doc 3: From 1936-37 until his death in 1943, NHL President Frank Calder bought a trophy each year to be given permanently to the outstanding rookie.
Doc 4: The President of the NHL, Frank Calder, donated the trophy in his name. In 1937 he moved to make it an official trophy and the board approved
Doc 5: Starting in 1933, Calder purchased a trophy and awarded it to the best rookie each season.  Calder Memorial Trophy after Frank Calder's death