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 emma on once upon a time?" whose answer is Jennifer Marie Morrison.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who plays emma on once upon a time
Useful Output:

Doc 1: Jennifer Morrison as Emma Swan: Once Upon a Time cast  Known as the Savior throughout the series, which she initially resents, Emma Swan is the
Doc 2: After the new curse left Emma (Jennifer Morrison) with no memories in a Storybrooke run by the Black Fairy (Jaime Murray), the ABC fairy tale
Doc 3: Jennifer Morrison. Morrison portrayed heroin Emma Swan, who is the daughter of Snow White and Prince Charming and Henry's biological mom. The
Doc 4: Once Upon a Time's Jennifer Morrison Opens Up About Her Exit: 'Emma Had Reached a Really Beautiful Place'. By Matt Webb Mitovich.
Doc 5: Sean Maguire as Robin Hood and Lana Parrilla as the Evil Queen in Once Upon a · Jennifer Morrison and Colin O'Donoghue as Emma and Hook dancing