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: "Which actor in "Derek and Simon" was also in "The Big Bang Theory"?" whose answer is Simon Helberg.
Each document should contain about 30 words, and these documents should contain useful information.

Query: main cast of The Big Bang Theory
Useful Output:

Doc 1: 8 Oldest Main Cast of the Big Bang Theory · 8. Kaley Cuoco (Penny Teller) · 7. Kunal Nayyar (Raj Koothrappali) · 6. Melissa Rauch (Bernadette
Doc 2: Stephen asks the cast of 'The Big Bang Theory' questions that they anonymously submitted for each other, like: how did Kaley Cuoco learn her
Doc 3: British-Indian actor Kunal Nayyar (Sanjay And Craig) plays Raj Koothrappali on The Big Bang Theory, a pathologically shy astrophysicist that
Doc 4: The Big Bang Theory Cast: Then and Now · Johnny Galecki · Jim Parsons · Kaley Cuoco · Kunal Nayyar · Simon Helberg · Melissa Rauch · Mayim Bialik · Your
Doc 5: From sitcom stars to new adventures, we're diving into the post-"Big Bang Theory" careers of Jim Parsons, Kaley Cuoco, Johnny Galecki,