Whatever Happened to Sarah Jane?
 is the fifth story of the British science fiction television series "The Sarah Jane Adventures".
 It forms the seventh and eighth episodes of the show's first series.
 The first episode was aired on the CBBC channel on 29 October 2007, and the second on 5 November.
The Sarah Jane Adventures Collection is a collection of ten audiobooks, written by Stephen Cole, Justin Richards, Gary Russell, Cavan Scott, Mark Wright, Peter Anghelides, Jason Arnopp, Martin Day and Scott Gray and is a spin-off from the British science fiction television series The Sarah Jane Adventures, itself a spin-off from Doctor Who.
BBC Cymru Wales (an amalgamation of the English: BBC Wales and the Welsh: "BBC Cymru" ) is a division of the BBC, and the national broadcaster for Wales.
 Established in 1964, BBC Cymru Wales is based in Cardiff and directly employs some 1,200 people to produce a range of programmes for television, radio and online services in both English and Welsh.
Maria Jackson is a fictional character played by Yasmin Paige in the British children's science fiction television programme "The Sarah Jane Adventures", a spin-off from the long-running series "Doctor Who".
 She is a 13-year-old girl who discovers that her new neighbour, Sarah Jane Smith, is aware of the existence of extraterrestrial life and is a former space and time traveller.
 Maria first appears in the 2007 New Year's special and series première, "Invasion of the Bane".
 Due to the actress's scholastic commitments, the character was written out as a regular in the series 2 opener "The Last Sontaran", but continued to be referred to in dialogue and seen in archival footage.
Stephen Russell Davies, OBE (born 27 April 1963), better known as Russell T Davies, is a Welsh screenwriter and television producer whose works include "Queer as Folk", "Bob & Rose", "The Second Coming", "Casanova", the 2005 revival of the classic British science fiction series "Doctor Who", and the trilogy "Cucumber", "Tofu", and "Banana".
The Sarah Jane Adventures is a British science fiction television programme, that was produced by BBC Cymru Wales for CBBC, created by Russell T Davies starring Elisabeth Sladen.
 The programme is a spin-off of the long-running BBC science fiction programme "Doctor Who" and is aimed at a younger audience than "Doctor Who".
 It focuses on the adventures of Sarah Jane Smith, an investigative journalist who, as a young woman, had numerous adventures across time and space.
Torchwood: Miracle Day is the fourth and final series of the British science fiction television programme "Torchwood", a spin-off from the long-running show "Doctor Who".
 In contrast to the first three series, which were produced by the BBC, the fourth series was a British–American co-production involving the BBC's drama production house BBC Cymru Wales for BBC Worldwide and the U.S. premium network Starz.
 It was broadcast in ten episodes beginning on 8 July 2011 (U.S.) and 14 July 2011 (UK).
Wizards vs Aliens is a British science fantasy television programme produced by BBC Cymru Wales and FremantleMedia Enterprises for CBBC and created by Russell T Davies and Phil Ford.
"The Sarah Jane Adventures" is a British science-fiction television programme that was produced by BBC Cymru Wales for CBBC.
 Created by Russell T Davies and starring Elisabeth Sladen, it is a spin-off of the long-running BBC science-fiction programme "Doctor Who" and is aimed at a younger audience, in comparison to "Doctor Who" which is family-orientated.
Luke Smith is a fictional regular character played by Tommy Knight in the British children's science fiction television series "The Sarah Jane Adventures", a spin-off of the long-running series "Doctor Who".
 Luke is a regular character in "The Sarah Jane Adventures" both in television and audio adventures.
 He has also appeared in three episodes of "Doctor Who": the two-parter "The Stolen Earth"/"Journey's End" (2008), and the Tenth Doctor's finale episode "The End of Time, Part Two" (2010).

Question: The Sarah Jane Adventures is a British science fiction television programme, that was produced by BBC Cymru Wales for CBBC, created by which Welsh screenwriter and television producer whose works include "Queer as Folk"?
Answer: Russell T Davies