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 has written the most number one hits?" whose answer is Paul McCartney.
Each document should contain about 30 words, and these documents should contain useful information.

Query: most number one hits by artist
Useful Output:

Doc 1: Artists With the Most No. 1 Songs on the Hot 100 · 1. The Beatles, 20 No. 1s · 2. Mariah Carey, 19 No. 1s · 3. Rihanna, 14 No. 1s · 4. Michael
Doc 2: Artists With the Most No. 1 Hits · 1. The Beatles · 2. Mariah Carey · 3. Rihanna · 4. Michael Jackson · 5. Madonna · 6. The Supremes · 7.
Doc 3: Join this channel to get access to perks: https://www.youtube.com/channel/UC3CVlL9s7cByKAl0-XpKYcw/join This video shows Artists with Most
Doc 4: Here's a video idea: careers ruined by record labels (Michelle Branch, Jojo, Ke$ha). 20:29. Go to channel · Top 20 90s Pop Songs You Forgot
Doc 5: We rank the kings and queens of the Billboard Chart by their chart-topper numbers and how long they spent at number one.