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 stella on how i met your mother?" whose answer is Sarah Chalke.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who plays stella on how i met your mother
Useful Output:

Doc 1: While Ted is prone to wearing ridicule and humiliation for many of his ill-advised romantic pursuits—often not undeservingly so—the punishment
Doc 2: 'How I Met Your Mother' guest stars: 40 actors and other celebrities who appeared on the show · Malin Akerman. Portrayed Stella in the film
Doc 3: Sarah Chalke played the role of Stella Zinman in the show. She is a Canadian actress, born on August 27, 1976, in Ottawa, Canada. Sarah was
Doc 4: Sarah Chalke's Stella resurfaced at the end of CBS' How I Met Your Mother this week, and at a most interesting moment. Throughout the
Doc 5: Sarah Chalke appeared on HIMYM during seasons 3 and 4 as Stella Zinman. Stella is a dermatologist whom main character Ted Mosby (Josh Radnor)