Question: Who created the British soap opera in which Rebecca Egan had the guest role of Kendra Hills-Smythe?
Context: Chelsea Lawson is a fictional character from "The Young and the Restless", an American soap opera on the CBS network.  Portrayed by Melissa Claire Egan, she was created by former head writer Maria Arena Bell and made her debut during the episode airing on November 11, 2011.  Egan was said to be joining the soap opera as a mystery woman involved with Billy Abbott (Billy Miller).  Egan and Miller previously acted together on the ABC soap opera "All My Children". Susan Frances Nicholls (born 23 November 1943) is an English actress, known for her long-running role as Audrey Roberts in the British soap opera "Coronation Street".  Having played Audrey on a recurring basis for six years from the character's debut in 1979, she joined the cast permanently in 1985.  She won the 2000 British Soap Award for Best Comedy Performance and the 2003 British Soap Award for Best Dramatic Performance. Hollyoaks is a British soap opera, first broadcast on Channel 4 on 23 October 1995.  It was originally devised by Phil Redmond, who had previously conceived the Channel 4 soap "Brookside".  The programme is set in a fictional suburb of Chester called Hollyoaks, and features a large cast of characters primarily aged between 16 and 35.  It is mostly filmed and produced in Childwall, Liverpool, although nearby locations are sometimes used.  Beginning with a cast of just seven major characters in 1995, the serial now has approximately 50 main cast members.  "Hollyoaks" has a high cast turnover in comparison with other British soaps; as of May 2014, just thirty-seven characters have spent five years or longer on the show.  The programme has won 28 British Soap Awards, 11 Inside Soap Awards, one "TRIC Award" and one National Television Award; at the 2014 British Soap Awards, "Hollyoaks" won Best British Soap for the first time, breaking the 15-year draw between rival soaps "EastEnders" and "Coronation Street".  It is also popular around the world.  The longest-serving cast member is Nick Pickard, who has played Tony Hutchinson since the first episode in 1995; all the other original characters left before 2000. Rebecca Egan is a British actress known mostly for the role of Marilyn Tanner in the "Second Sight" series, and has most recently been seen in the guest role of Kendra Hills-Smythe in the British soap opera "EastEnders". Clare Devine (also Black and Cunningham) is a fictional character from the British Channel 4 soap opera, "Hollyoaks", played by actresses Gemma Bissix and Samantha Rowley.  Bissix agreed to reprise the role in 2009 for the culmination of Warren Fox (Jamie Lomas) and Justin Burton's (Chris Fountain) storylines.  She later returned to the show in 2013.  Clare was killed-off in October 2013 and Bissix said that it would allow the "Hollyoaks" to develop other villainous characters.  Bissix has won three British Soap Awards for her portrayal of Clare.  She has also been named one of the best British soap opera characters. Nicholas "Nick" Smith is a fictional character in the Australian soap opera "Home and Away".  He first appeared during the episode airing on 18 March 1999, played by Matt Juarez in a guest role and then returned as a regular character on 26 April 2000, now played by Chris Egan and departed on 12 September 2003.  Aaron Puckeridge also played Nick in flashbacks in 2003. Johnny Leeze (born John Glen; 31 December 1941) is a British actor of television and film.  He is best known for playing Harry Clayton in long running British soap opera Coronation Street for a few months in 1985, and as Ned Glover on the British soap opera "Emmerdale" from 1994 to 1999.  He appeared again in 2000, before leaving shortly afterwards. EastEnders is a long-running British soap opera created by Julia Smith and Tony Holland which has been broadcast on BBC One since 1985.  Set in the East End of London in the fictional Borough of Walford, the programme follows the stories of local residents and their families as they go about their daily lives in Albert Square.  The series was initially screened as two 30-minute episodes per week; however, since 2001, episodes have been broadcast every day apart from Wednesdays and weekends.  Same-day repeats of the series were previously shown on BBC Three and omnibus editions were shown on BBC Two, however, since 2016 these have been broadcast on UK-based TV channel W. Sylvia Butterfield MBE (8 November 1939 – 25 September 2017), known professionally as Elizabeth Dawn or Liz Dawn, was an English actress, best known for her role as Vera Duckworth in the long-running British soap opera "Coronation Street".  First starting on the serial in 1974, she had a recurring role as a factory worker until her husband, Jack, (played by Bill Tarmey) first appeared in 1979.  She played the character of Vera for 34 years.  For her role in the soap, she received the Lifetime Achievement Award at the 2008 British Soap Awards.  She was appointed an MBE in the 2000 Queens Birthday Honours. Tina Baker (born 4 May 1958 (Age 59), in Coalville, Leicestershire, England) is a broadcaster and journalist and a leading British soap opera and TV critic.  She has featured on many TV programmes such as, "Coronation Street Secrets", "The Good Soap Guide", "How Soaps Changed the World", Big Brother's Big Mouth, and "The Top 100 TV Christmas Crackers".  She is well known as the soap opera expert on the morning television programme GMTV and is member of the judging panel on the annual "British Soap Awards".
Answer: Julia Smith and Tony Holland