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 the snow queen in once upon a time?" whose answer is Elizabeth Mitchell.
Each document should contain about 30 words, and these documents should contain useful information.

Query: actress who played snow queen in once upon a time
Useful Output:

Doc 1: Once upon a time, in a dark cave, there lived a bad troll. He was one of the worst; the Devil himself! All the young trolls went to his Troll School.
Doc 2: As we've learned, the Snow Queen actually met the savior in the past. Before meeting Emma Swan, though, Elizabeth Mitchell's Ingrid had to
Doc 3: They picked the perfect actress to play young Ingrid. It felt like Elizabeth Mitchell made some faces for the girl as they film the episodes.
Doc 4: I know I am late to the party ;-* but the snow queen played by Elizabeth Mitchell still touches my heart so i decided to make this
Doc 5: Georgina Haig will play the role of Elsa—as in, Frozen's snow queen—in the upcoming season of Once Upon a Time, ABC said Thursday.