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: "how many christmas specials of gavin and stacey are there?" whose answer is two.
Each document should contain about 30 words, and these documents should contain useful information.

Query: how many christmas specials of gavin and stacey
Useful Output:

Doc 1: The most recent episode of the beloved sitcom was in 2019, with the Christmas special. It was the show's first return in almost a decade, having
Doc 2: The first two Gavin & Stacey 2008 Christmas specials are available to watch on BBC iPlayer. One last episode of the award-winning sitcom is due
Doc 3: The Gavin and Stacey Christmas special has become the biggest scripted programme of the past 10 years as more than a quarter of the UK's
Doc 4: Despite Gavin and Stacey coming to an end in 2010, with a one-off Christmas Special in 2019, fans have been calling out for a reunion.
Doc 5: Festive special has achieved ratings of 19.3 million and counting.