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: "which is the eldest, Blackjack Pizza or Papa Murphy's?" whose answer is Papa Murphy's.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Papa Murphy's founding year
Useful Output:

Doc 1: Papa Murphy's traces its roots to a Hillsboro chain, Papa Aldo's, founded in 1981. It later combined with a California company, Murphy's Pizza.
Doc 2: The Company was founded in 1981 and currently operates over 1,400 franchised and corporate-owned stores in 37 states, Canada and the United Arab
Doc 3: Papa Murphy's was originally founded in 1981 in Hillsboro, Ore., under the name Papa Aldo's. The company merged with a similar take-and-bake
Doc 4: Papa Murphy's Holdings, Inc. (Exact name of registrant as  2017 and a current year benefit created by the 2017 Tax Act corporate tax rate reduction.
Doc 5: Papa Murphy's is headquartered in Vancouver and was originally founded in 1981 in Hillsboro, Ore., under the name Papa Aldo's. The company