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: "what song was number one on september 8 1989?" whose answer is "Cold Hearted".
Each document should contain about 30 words, and these documents should contain useful information.

Query: number one song september 8 1989
Useful Output:

Doc 1: 1989. Paula Abdul - Cold Hearted. 24 birthday. Cold Hearted. Paula Abdul. Went to #1 on September 2, 1989 for 1 week. Spotify popularity 55/100. 1990. Jon Bon
Doc 2: Billboard Number 1 Songs of 1989. 21K views · 8 years ago more. DON-FM. 902. Subscribe. 208. Share. Save.
Doc 3: August 12, 1989 – September 1, 1989. Richard Marx Right Here Waiting  September 2, 1989 – September 8, 1989. Paula Abdul Cold Hearted Paula Abdul
Doc 4: Find out what was the UK Number One single on all your birthdays. What was the Number 1 song on my birthday?
Doc 5: On this page you can see the list of every UK Number 1 song in history, from the historic first ever Number 1 single - Al Martino's Here In My Heart in 1952.