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 was playing in las vegas when the shooting happened?" whose answer is country music singer Jason Aldean.
Each document should contain about 30 words, and these documents should contain useful information.

Query: performer at route 91 harvest festival 2017
Useful Output:

Doc 1: Hospitality management instructor Dede Hamm was part of Jason Aldean's 2018 summer tour while researching her case study on the 2017 Route
Doc 2: It's been three years since a gunman opened fire during the Route 91 Harvest Festival in Las Vegas, killing 58 people and wounding more than 850.
Doc 3: Three performers at last yearâ€™s Route 91 Harvest Festival where a gunman opened fire on fans will perform a tribute at this yearâ€™s
Doc 4: Jason Aldean was onstage performing at the Route 91 Harvest Festival in Las Vegas, Nevada when a gunman opened fire, killing at least 58 and wounding more than
Doc 5: This report was compiled by the Clark County Fire Department and the Las Vegas Metropolitan Police Department in collaboration with the Federal Emergency