To answer the above question, the relevant sentence is: Bilodeau won a gold medal in the men's moguls at the 2010 Winter Olympics in Vancouver, becoming the first Canadian to win a gold medal at an Olympic Games held in Canada.
This justifies what answer for what question? Q & A:
Passage: Alexandre Bilodeau (French pronunciation: ( bildo); born September 8, 1987 ) is a retired Canadian freestyle skier from Montreal, Quebec. Bilodeau currently resides in Rosemere, Quebec. Bilodeau won a gold medal in the men's moguls at the 2010 Winter Olympics in Vancouver, becoming the first Canadian to win a gold medal at an Olympic Games held in Canada. At the 2014 Winter Olympics, he became the first Olympian in history to defend his gold medal in any freestyle skiing event as well as the first Canadian to defend an individual title since Catriona Le May Doan at the 2002 Winter Olympics. Bilodeau is a three-time FIS World Champion in dual moguls, and is also a two-time Worlds silver medalist in moguls. He was the FIS World Cup champion for the 2008 -- 09 season winning the moguls and overall freestyle skiing title that season. In his final World Cup race, he retired with a win, and in doing so, surpassed Jean-Luc Brassard for the most World Cup medals by a Canadian.

Question: Based on this passage, who won canada's first gold medal at the 2010 olympics?
Alexandre Bilodeau