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 angel of the north erected?" whose answer is 1998.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the angel of the north erected
Useful Output:

Doc 1: In 1998, the great British sculptor Antony Gormley made his most iconic contribution to the history of art so far: a colossal landmark titled
Doc 2: When erected in 1886, it was the tallest statue in the world but has since been surpassed by the Spring Temple Buddha, a 420 feet high-gilded
Doc 3: Since its completion in February 1998, the UK's Angel of the North has become one of the most iconic public artworks in the world. Taller than
Doc 4: THE towering Angel of the North was erected 20 years ago this week. Over the last two decades, it has become one of the defining symbols of
Doc 5: It stands 20m [65ft] high, and spreads 54m [175ft] wide] beside the A1 in Gateshead in the North East of England. Just by way of comparison