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 of all time
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 Singles by Canadian Artists ; 24, Terry Jacks, Seasons in the Sun, 11.5 Million ; 29, Paul Anka, Diana, 10 Million.
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: Rush is the 26th best selling Canadian artist all-time according to Billboard/Nielsen in 2016. I couldn't find a more current list.
Doc 5: Paul Anka became the first Canadian artist to top the Hot 100, scoring in July 1959 with “Lonely Boy.” Anka's U.S. hits predate the inception of