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: "when did carrie underwood take over sunday night football?" whose answer is May 7, 2013.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Carrie Underwood Sunday Night Football host
Useful Output:

Doc 1: Carrie Underwood is as much a part of Sunday Night Football as the broadcasting crew.
Doc 2: Carrie Underwood reveals what goes into recording the open to Sunday Night Football on NBC and whether she'd want to perform at the Super
Doc 3: Carrie Underwood's 'Sunday Night Football' opener will feature real-world footage to boost engagement with football fans.
Doc 4: Sunday Night Football's Carrie Underwood has been accused of being "un-American" by her critics ahead of Monday's presidential inauguration.
Doc 5: Carrie Underwood has been the face and voice of "Sunday Night Football" since 2013, taking the reins from from Pink (left) and Faith Hill (right).