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 owns the 222 acre park in the city 7 mi west of downtown Portland?" whose answer is Tualatin Hills Park and Recreation District.
Each document should contain about 30 words, and these documents should contain useful information.

Query: who owns Tualatin Hills Nature Park in Portland
Useful Output:

Doc 1: A diverse 222-acre wildlife preserve that combines forests, wetlands, and streams habitats right in the heart of Beaverton, Oregon.
Doc 2: The park is owned and managed by Tualatin Hills Park & Recreation District. Vegetation in the park is in a state of secondary succession following a long
Doc 3: Established in 1992 as a collaborative effort between the local community and the U.S. Fish and Wildlife Service, the Tualatin River National Wildlife Refuge
Doc 4: Karen Munday. Nature Center Supervisor at Tualatin Hills Parks and Recreation District. Tualatin Hills Park & Recreation District Portland State University
Doc 5: The nearest bus station to Tualatin Hills Nature Park in Beaverton is Merlo Rd/SW 158th Max Stn Turnaround. It's a 1 min walk away. Get