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: "how many episodes of 13 reasons why season 2 have aired?" whose answer is 13.
Each document should contain about 30 words, and these documents should contain useful information.

Query: number of episodes in 13 reasons why season 2
Useful Output:

Doc 1: Netflix hit series struggles over the course of 13 episodes to prove why a second season was necessary.
Doc 2: The second season of 13 Reasons Why is, above all else, a string of 13 episodes struggling to justify their existence.
Doc 3: It meandered, but the cassettes and the 13 reasons in 13 episodes gave it a structure of sorts. The performances, especially from Katherine
Doc 4: A major theme in season 2 is recovery. Jessica (Alisha Boe) and Alex (Miles Heizer) are besties again, and both have been out of school for months.
Doc 5: On May 19, when all 13 episodes of the “13 Reasons Why” second season dropped, the show blew past YouTube's “Cobra Kai,” the previous top-