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 wrote the christian song mary did you know?" whose answer is Mark Lowry.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who wrote the song "Mary Did You Know"
Useful Output:

Doc 1: The song has also been used as the basis for the stage musical written by David Guthrie and Bruce Greer called, Mary, Did You Know? The musical
Doc 2: A Favorite Christmas Song – Mary, Did You Know. Ann H Gabhart  He sent the song to Michael English who featured the song in his debut album.
Doc 3: With lyrics by Mark Lowry in 1984, and music by Buddy Greene in 1991, “Mary Did You Know?” is a contemporary song that has become a classic.
Doc 4: Mary, Did You Know was written by Mark Lowry and Buddy Greene. The song was penned back in 1991 and was first recorded by Michael English.
Doc 5: Lowry co-wrote “Mary Did You Know?” with Buddy Greene, a well-respected songwriter and instrumentalist, in 1991, while both were on tour with