Question: FAQ U is a program that included which British comedian as guest presenter in its second week?

Context paragraphs:
Logie Awards of 1967: The 9th Annual "TV Week" Logie Awards were presented on Monday 10 April 1967 at the Zodiac Room aboard the cruise liner "Fairstar" in Melbourne.  Bert Newton from the Nine Network was the Master of Ceremonies.  American television actor Vic Morrow was a guest presenter.  This article lists the winners of Logie Awards (Australian television) for 1967:

MacAulay and Co: MacAulay and Co. was a daily magazine show on BBC Radio Scotland.  The programme was presented by comedian Fred MacAulay with a different guest presenter each week, and features a range of guests including journalists, musicians, comedians and members of the public.

David Mitchell (comedian): David James Stuart Mitchell (born 14 July 1974) is a British comedian, actor and writer.  He is half of the comedy duo Mitchell and Webb alongside Robert Webb.  The duo starred in the Channel 4 sitcom "Peep Show" in which Mitchell plays Mark Corrigan.  Mitchell won the British Academy Television Award for Best Comedy Performance in 2009 for his performance in the show.  The duo have written and starred in several sketch shows including "Bruiser", "The Mitchell and Webb Situation", "That Mitchell and Webb Sound" and also "That Mitchell and Webb Look".  Mitchell and Webb also starred in the UK version of Apple's "Get a Mac" advertisement campaign.  Their first film "Magicians" was released in 2007.

Logie Awards of 1965: The 7th Annual TV Week Logie Awards were presented on Friday 26 March 1965 at Palais de Danse, St Kilda in Melbourne and broadcast on the Nine Network .  Gerald Lyons from the ABC was the Master of Ceremonies .  American television actress Donna Douglas was a guest presenter.  This article lists the winners of Logie Awards (Australian television) for 1965:

Great Captain Island: Great Captain Island, also known more familiarly as "Great Captain's Island," is an island off the coast of Greenwich, Connecticut.  The 17.2 acre island is the largest of a three-island group that also includes Little Captain and Wee Captain.  The island is a remnant of a glacial moraine and has a large glacial erratic on the southern side, the island's east and west sides are connected by a tombolo.  The island has had several owners, but has been owned in whole by the Town of Greenwich since 1973.  The island is home to the Great Captain Island Light, a 19th-century lighthouse that was restored in 2009 and relit as a non-navigational aid in 2012.  The actual navigation aid is a skeletal tower erected in 1970.  Great Captain Island is one of the state's 26 "important bird areas" according to the Connecticut Audubon Society.  The town operates a ferry service to and from the island from about the second week in June through the second week of September.  Trails have been laid out for visitors, and the western part of the island has picnic tables, grills, restrooms, and posted swimming areas.  The island is open year round, with a ferry running during the summer.  No public tours of the lighthouse or island are available.

FAQ U: FAQ U was a television programme broadcast by Channel 4 in the United Kingdom in 2005.  It was shown every weeknight, Monday to Friday, just after 11:00pm.  It was presented by Justin Lee Collins in its first week, David Mitchell in the second and Karen Taylor in the third.  It included four comedian guests and an audience.  The presenter put "frequently asked questions" to the guests and they answered them in a humorous way.  The show's title was frequently pronounced by the presenter as "Fak You".

Guest host: A guest host (or guest presenter in the United Kingdom) is a host, usually of a talk show, that substitutes for the regular host if they are, for example, ill or have other commitments.  Although guest hosts are often undesirable, some shows have seen the guest host do a better job than the main host, and filling in as a guest host has helped to launch the careers of a variety of television and radio talents.  In U.S. radio, the concept of a guest host is known as a "swing jock".

No Leave, No Life: No Leave, No Life is an Australian lifestyle television series, hosted by Ernie Dingo from Season 1 then James Tobin from Season 2.  The program features a celebrity guest presenter each week surprising ordinary Australians with a holiday, and the destination is then profiled.  An Australian celebrity, often a comedian, then fills in for them at their work while they're away.

Natalie Pinkham: Natalie Jane Pinkham (born 20 September 1977) is a British television presenter and Formula One pit lane reporter for Sky Sports F1, having held the same post for BBC Radio 5 Live in 2011.  She is also known for hosting "Police Interceptors Special Edition" on 5*.  She appeared on "Live from Studio Five" as a guest presenter, and is a regular panellist on "The Wright Stuff".

Loose Talk: Loose Talk was a British youth-oriented chat show that ran for two series on Channel 4 in 1983.  It was presented by Steve Taylor, along with a different guest presenter each week.

Supporting paragraphs: FAQ U David Mitchell (comedian)
Answer: David James Stuart Mitchell