Have a conversation with a human, answering the following questions as best you can. You have access to the following tools:

Search: useful for when you need to answer questions about current events

Use the following format:

Question: the input question you must answer
Thought: you should always think about what to do
Action: the action to take, should be one of [Search]
Action Input: the input to the action
Observation: the result of the action
... (this Thought/Action/Action Input/Observation can repeat N times)
Thought: I now know the final answer
Final Answer: the final answer to the original input question

Please respond strictly in this format.

Begin!"

Question: How many people live in canada?
 Please use JSON format in your answer.
user