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 sang and wrote i will always love you?" whose answer is Dolly Parton.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who sang and wrote i will always love you
Useful Output:

Doc 1: Interesting Facts Fans May Not Know About Whitney Houston's 'I Will Always Love You'. Dolly Parton, who wrote the song, first learned about
Doc 2: Dolly Parton Whitney Houst We will always love this full circle moment of Whitney Houston receiving a GRAMMY from Dolly Parton — who wrote "I
Doc 3: Dolly Parton on Hearing Whitney Houston's "I Will Always Love You" for the First Time · Dolly Parton talks about turning down ELVIS PRESLEY's
Doc 4: "I Will Always Love You" is a song originally written and recorded in 1973 by American singer-songwriter Dolly Parton. Her country version of
Doc 5: With her rendition of I Will Always Love You, Whitney Houston created one of the greatest vocal performances of a generation,