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 hit the first grand slam in baseball history?" whose answer is Roger Connor.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the term grand slam first used in baseball
Useful Output:

Doc 1: It would not be until after 1903, when the National and American Baseball Leagues merged to create Major League Baseball, that the famous grand slam became an
Doc 2: One of the most exciting hits in college baseball history came in 1987, when Stanford right fielder Paul Carey hit the only walk-off grand slam
Doc 3:  first game of Thursday's doubleheader, including a grand slam. —  The first known use of grand slam was in 1800. See more words from
Doc 4: The first recorded grand slam in Major League Baseball (MLB) history was hit by Roger Connor of the Troy Trojans on September 10, 1881. Since
Doc 5: 1. Tony Cloninger's Grand Slam in 1966. One of the most extraordinary grand slams in MLB history was achieved by Tony Cloninger, who hit two