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 is opening up for lady gaga 2017?" whose answer is DJ White Shadow.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Lady Gaga 2017 Joanne World Tour opening act
Useful Output:

Doc 1: Lady Gaga announced more than halfway through her Joanne World Tour stop at The Forum in Inglewood, California, on Tuesday night.
Doc 2: However throughout the majority of her US and Canada leg Gaga had no support, except during a handful of shows where she was joined by DJ White
Doc 3: Lady Gaga's Joanne World Tour is a two-hour extravaganza to behold. Her performance starts on a main stage. She later walks out into the arena via bridges.
Doc 4: Lady Starlight was not on stage DJ-ing before the show. Her friends' scrappy glam-rock band wasn't the opening act. Lady Gaga did not preach at
Doc 5: Lady Gaga: 5 highlights from the Joanne World Tour opener · 1. That killer voice · 2. Those beautiful bodysuits · 3. The Tetris stages · 4. The