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 preformed the 2017 super bowl halftime show?" whose answer is Lady Gaga.
Each document should contain about 30 words, and these documents should contain useful information.

Query: 2017 Super Bowl halftime show performer
Useful Output:

Doc 1: 2019: Maroon 5, Travis Scott, Big Boi; 2018: Justin Timberlake, The Tennessee Kids; 2017: Lady Gaga; 2016: Coldplay, Beyonce, Bruno Mars; 2015:
Doc 2: The spotlight centered on Lady Gaga, who was the headliner for this year's halftime show. Gaga's performance included her rappelling to the stage from the top
Doc 3: Lady Gaga is a performer, Maroon 5 is a band and a middle of the road one at that.
Doc 4: Gaga came out and she did an entertaining multi-song set that was simultaneously as confrontational and engaged as her music always is.
Doc 5: Super Bowl LI. Feb. 5, 2017. Lady Gaga ; Super Bowl LII. Feb. 4, 2018. Justin Timberlake ; Super Bowl LIII. Feb. 3, 2019. Maroon 5, Travis Scott,