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: "when was the waltons first aired in uk?" whose answer is February 18, 1974.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the waltons first aired in uk
Useful Output:

Doc 1: Kami Cotler, who was 6 years old when she first starred as youngest sibling Elizabeth in a 1971 holiday TV movie that launched the series, still
Doc 2: The Waltons,” one of TV's most popular and enduring programs, turns 50 on Wednesday. Set in 1932 and running through World War II, the show
Doc 3: www.judynorton.com www.facebook.com/judynortonproductions The Waltons - Jon Walmsley (Jason Walton) joins me (Judy Norton - Mary Ellen
Doc 4: In December of 1971, CBS aired a television special The Homecoming which won strong critical acclaim and audience response. Due to its
Doc 5: The Waltons aired from 1972–81, but relocated to the fictional Walton's Mountain, Virginia, in the Depression era '30s and wartime '40s. The Waltons. Season 1