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: "who is the best selling canadian artist of all time?" whose answer is Celine Dion.
Each document should contain about 30 words, and these documents should contain useful information.

Query: best-selling canadian artist in album sales
Useful Output:

Doc 1: 1. Rihanna feat. Drake - "Work" (2016): 32.5 million sales · 2. Carly Rae Jepsen - "Call Me Maybe" (2011): 18 million sales · 3. Shawn Mendes and
Doc 2: Worldwide Best-Selling Albums by Canadian Artists ; 14, Celine Dion, Falling Into You, 32 Million ; 20, Celine Dion, Let's Talk About Love, 31
Doc 3: We rank the best Canadian bands and singers of all time, from artists like Joni Mitchell and Neil Young, to Celine Dion, Justin Bieber and
Doc 4: We turned to Music Canada's database of certified recordings spanning 43 years and more than 17K titles to determine the list of Canada's best-selling albums
Doc 5: Rush is the 26th best selling Canadian artist all-time according to Billboard/Nielsen in 2016. I couldn't find a more current list.