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 the first speedster in the flash?" whose answer is Jay Garrick.
Each document should contain about 30 words, and these documents should contain useful information.

Query: first speedster in the Flash
Useful Output:

Doc 1: The first Flash to learn about the Speed Force was Wally West during his time as the Scarlet Speedster from 1987 to 2010.
Doc 2: 3. Barry Allen (Flash II). The Silver Age Flash Barry Allen, as he first appeared in 1956 and now in DC Comics.
Doc 3: Created in 1940, college student Jay Garrick gained super-speed powers when inhaling the fumes of something called “Hard Water.” (Wait, isn't
Doc 4: Barry Allen's grandson Bart debuted as the speedster Impulse in The Flash, vol. 2, no. 92 (July 1994). Bart was a hyperactive preteen from the
Doc 5: Barry Allen was introduced in 1956's Showcase #4. · Barry Allen's first use of time travel occurred in 1956's Showcase #4. · In 1967's The Flash #