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 plays tony in west side story movie?" whose answer is Richard Beymer.
Each document should contain about 30 words, and these documents should contain useful information.

Query: cast of West Side Story movie
Useful Output:

Doc 1: West Side Story 2020 Cast & Character Guide · Ansel Elgort As Tony · Rachel Zegler As Maria · Ariana DeBose As Anita · David Alvarez as Bernardo · Corey Stoll As
Doc 2: Top Billed Cast · Natalie Wood. Maria · Richard Beymer. Tony · Russ Tamblyn. Riff · Rita Moreno. Anita · George Chakiris. Bernardo · Simon Oakland.
Doc 3: Rachel Zegler plays María · Ansel Elgort plays Tony · Ariana DeBose plays Anita · David Alvarez plays Bernardo · Mike Faist plays Riff · Rita Moreno
Doc 4: Where Are The Cast of the Original 1961 West Side Story Now? · Natalie Wood (Maria) · Richard Beymer (Tony) · Rita Moreno (Anita) · What to Read
Doc 5: Steven Spielberg remade 'West Side Story' in 2021 with a brand-new cast, including Rachel Zegler as Maria and Ansel Elgort as Tony.