Question: When did the English actress who appeared in the British drama that debuted on ITV begin writing?

Context articles: Sue Johnston
Sammy Winward
ITV Encore
Catherine Steadman
Kate Buffery
Blood (Lianne La Havas album)
Amelia Bullmore
Scott &amp; Bailey
Katherine Kelly (actress)
Gillian Taylforth

Sue Johnston OBE (born Susan Wright; born 7 December 1943) is an English actress known for playing Sheila Grant in the Channel 4 soap opera "Brookside" (1982–1990), Barbara Royle in the BBC comedy "The Royle Family" (1998–2012), Grace Foley in the BBC drama "Waking the Dead" (2000–2011), Gloria Price in the ITV soap opera "Coronation Street" (2012–2014) and Miss Denker in the ITV drama "Downton Abbey" (2014–2015).
 She won the 2000 British Comedy Award for Best TV Comedy Actress and was nominated for the 2000 BAFTA TV Award for Best Comedy Performance for "The Royle Family".
Samantha Kate "Sammy" Winward (born 12 October 1985) is an English actress, singer and model.
 She is best known for playing the role of Katie Sugden in the ITV soap opera "Emmerdale" from 2001 to 2015 and as Lucy Murdoch in the second series of the ITV hit drama "Prey" in December 2015 and Siobhan Murphy in the ITV hit drama Fearless in June 2017.
ITV Encore, is a British drama television channel in the United Kingdom that is owned by ITV Digital Channels Ltd, a division of ITV plc.
 The channel is exclusive to Sky's digital satellite platform, as well as Sky Go, Now TV, and Sky Store.
Catherine Steadman is an English actress, best known for playing Mabel Lane Fox in series 5 (2014) of ITV drama "Downton Abbey".
 She also played Nurse Angela Wilson in ITV's 1960s drama "Breathless", Joan Bulmer in the final season of "The Tudors" and Maggie Lewis in the 2016 ITV miniseries "Tutankhamun".
Katharine Winifred Buffery (born 23 July 1957) is an English actress.
 She is known for her numerous roles on British television, including the ITV drama series "Wish Me Luck" (1988-1990), BBC miniseries "Close Relations" (1998), Channel 5 legal drama "Wing and a Prayer" (1997-1999) and the ITV police drama "Trial and Retribution" (1997-2002).
 Her stage work includes the 1983 original West End production of "Daisy Pulls it Off", which earned her an Olivier Award nomination.
Blood is the second studio album by British recording artist Lianne La Havas, which was released through Warner Bros.
 Records on July 31, 2015.
 Following the release of her critically acclaimed debut "Is Your Love Big Enough?
" (2012) La Havas embarked on a variety of tours and festivals before travelling to Jamaica.
 During La Havas' time in Jamaica she attempted to regain a connection with her roots, the exploration inspired La Havas to begin writing the follow up to her debut.
 During her stay in Jamaica Lianne met with reggae producer Stephen McGregor who would subsequently go on to help produce the album.
Amelia Bullmore (born 31 January 1964) is an English actress and writer.
 She began her career exclusively as an actress but began writing in 1995.
 Her writing credits include episodes for "This Life", "Attachments", "Black Cab", and "Scott & Bailey".
Scott & Bailey is a British drama series that debuted on ITV on 29 May 2011 and concluded on 27 April 2016.
 The series stars Suranne Jones, Lesley Sharp, Amelia Bullmore, Nicholas Gleaves, Danny Miller, and Pippa Haywood.
 Based on an original idea by Jones and Sally Wainwright, the show revolves around the personal and professional lives of its protagonists.
 The programme features Detectives Janet Scott (played by Sharp) and Rachel Bailey (played by Jones).
 Both characters are members of the Syndicate Nine Major Incident Team (MIT) of the fictional Manchester Metropolitan Police.
Katherine Kelly (born 19 November 1979) is an English actress.
 A 2001 graduate of the Royal Academy of Dramatic Art, she played Becky McDonald in the ITV soap opera "Coronation Street" from 2006 to 2012, for which she won Best Actress at the 2009 British Soap Awards and Best Serial Drama Performance at the 2012 National Television Awards.
 Since 2013, she has starred as Mae, Lady Loxley in the ITV drama series "Mr Selfridge".
Gillian Taylforth (born 14 August 1955) is an English actress.
 She is best known for her role as Kathy Beale on the BBC soap opera "EastEnders", and has also appeared as Jackie Pascoe-Webb on ITV's "Footballers' Wives" (2002–2006), and more recently as Sgt. Nikki Wright in ITV's "The Bill" (2006–08).
 She has also appeared in film during her early career, has presented on ITV's "Loose Women" and appeared as a celebrity contestant on "Strictly Come Dancing" in 2008.