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 year did baby by justin bieber come out?" whose answer is January 18, 2010.
Each document should contain about 30 words, and these documents should contain useful information.

Query: release year of Justin Bieber's Baby
Useful Output:

Doc 1: Justin Bieber – Baby ; Released: 2010 ; Genre: Pop ; Style: Chanson ; Companies, etc. Distributed By – Universal Music France ; Credits. Featuring –
Doc 2: "Baby" is a song by Canadian singer, songwriter and actor Justin Bieber featuring American rapper and actor Ludacris. It was released on January 18, 2010.
Doc 3: The “Baby” video came out in 2010 and effectively introduced the world to the young heartthrob with a skater haircut, high-pitched voice and
Doc 4: Justin Bieber released the music video for "Baby" in 2010, 15 years ago. Despite the single's mixed reviews it remains one of his signature
Doc 5: Saturday (January 18) marked a whole decade since the Biebs released his smash hit single “Baby,” which debuted back on January 18, 2010. Bieber