Question: Charlie Murphy plays the character Ann Gallagher in a BBC One drama written by who?

Context paragraphs:
Peter Murphy (footballer, born 1980): Peter Michael Murphy (born 27 October 1980 in Dublin) is an Irish football player and coach, who is currently player/manager of Scottish League Two club Annan Athletic.  Murphy plays as a defender, but can also operate through midfield.  He currently holds the club record at Carlisle United for the most appearances for the club as an outfield player with over 400, before being released after 12 years of service in 2013.

Charlie Murphy (actress): Charlotte "Charlie" Murphy (born 19 April 1988) is an Irish actress.  She is best known for playing the lead role of Siobhan Delaney in the hit RTÉ drama "Love/Hate" for which she won the 2013 Irish Film and Television Award for Best TV Actress, and as Ann Gallagher in the acclaimed BBC One drama "Happy Valley".  She will next be appearing in the BBC One historical crime drama television series "Peaky Blinders".

That Girl: That Girl is an American sitcom that ran on ABC from 1966 to 1971.  It starred Marlo Thomas as the title character Ann Marie, an aspiring (but only sporadically employed) actress, who moves from her hometown of Brewster, New York, to try to make it big in New York City.  Ann has to take a number of offbeat "temp" jobs to support herself in between her various auditions and bit parts.  Ted Bessell played her boyfriend Donald Hollinger, a writer for "Newsview Magazine"; Lew Parker and Rosemary DeCamp played Lew Marie and Helen Marie, her concerned parents.  Bernie Kopell, Ruth Buzzi and Reva Rose played Ann and Donald's friends.  "That Girl" was developed by writers Bill Persky and Sam Denoff, who had served as head writers on "The Dick Van Dyke Show" (with which Thomas's father, Danny Thomas, was closely associated) earlier in the 1960s.

Kelly Adams: Kelly Adams (born 16 October 1979) is an English actress, best known for her roles as Mickie Hendrie in the BBC One medical drama series "Holby City" (2004–2006) and "Casualty" (2005), as Emma Kennedy in the BBC One drama series "Hustle" (2009–2012), Padre Mary Greenstock in the BBC Three comedy drama series "Bluestone 42" (2013–2014) and Nancy Webb in the ITV period drama series "Mr Selfridge" (2015).

Charlie Murphy's Crash Comedy: Charlie Murphy's Crash Comedy is a web sketch comedy series of four- to five-minute episodes, created by Charlie Murphy and consisting of sketches, parodies and infomercials.  "Crash Comedy" is a production of Iron Weeds Productions and is distributed by Sony Pictures Television.  Co-starring with Murphy are Donnell Rawlings and Freez Luv.  The start date for the episodes is March 16, 2009.  It is broadcast on Crackle.  The show will air each Friday until June 12.

Happy Valley (TV series): Happy Valley is a British crime drama television series filmed and set in the Calder Valley, West Yorkshire in Northern England.  The series, starring Sarah Lancashire and Siobhan Finneran, is written and created by Sally Wainwright, and directed by Wainwright, Euros Lyn, and Tim Fywell.  The first series debuted on BBC One on 29 April 2014, and the second series debuted on 9 February 2016.  In May 2015, Happy Valley won the BAFTA Award for Best Drama Series.

Coming to America: Coming to America is a 1988 American romantic comedy film directed by John Landis, and based on a story originally created by Eddie Murphy, who also starred in the lead role.  The film also co-stars Arsenio Hall, James Earl Jones, Shari Headley and John Amos.  The film was released in the United States on June 29, 1988.  Eddie Murphy plays Akeem Joffer, the crown prince of the fictional African nation of Zamunda, who comes to the United States in the hopes of finding a woman he can marry.

Phil Murphy (rugby union, born 1980): Phil Murphy (born 1 April 1980 in Beverley, Yorkshire, England) is a rugby union player for Leeds Carnegie in the Guinness Premiership.  Murphy plays as a lock.

Nutty Professor II: The Klumps: Nutty Professor II: The Klumps is a 2000 American romantic comedy science fiction film directed by Peter Segal.  It is a sequel to the 1996 film "The Nutty Professor" and stars Eddie Murphy.  As in the original film, Murphy plays not only the inept but brilliant scientist, Sherman Klump, but also (wearing different, but equally elaborate makeup) most of Sherman's family.

William Beck (actor): William Beck is a Welsh-born actor, best known for his appearances on television in the United Kingdom as Royston White on BBC One drama series "Robin Hood", and Dylan Keogh on BBC One drama series "Casualty".  He has also appeared in popular feature films such as "Snatch", directed by Guy Ritchie.

Supporting paragraphs: Charlie Murphy (actress) Happy Valley (TV series)
Answer: Sally Wainwright