user: What are some interesting places to visit in Canada as a tourist?

assistant: Canada is a large country with many unique destinations. Here are a few suggestions on where to go for a vacation:

1.  Toronto - visit the CN tower and walk down Bay Street to see the Canadian Wallstreet.
2. Montreal - has a mix of both old and new sights, with some buildings dating back to the founding of the city.
3. Calgary - visit the Calgary Stampede to experience on of the world's largest rodeos. 

There are many other cities in Canada to visit, but these are just a few to get started!

user: Who are the three team managers that hold the record for the most appearances in the FIFA Club World Cup final?

assistant: Rafael Benítez, Pep Guardiola, and Carlo Ancelotti hold the record for most appearances.

user: Does Spark require modified versions of Scala or Python?

assistant: No. Spark requires no changes to Scala or compiler plugins. The Python API uses the standard CPython implementation, and can call into existing C libraries for Python such as NumPy.