Question: The actor that played Eddie Moon on the BBC soap opera "EastEnders" has had how many top 40 albums?
Context: Edward "Eddie" Moon is a fictional character from the BBC soap opera "EastEnders", played by David Essex.  Eddie is the father of Michael Moon (Steve John Shepherd), Tyler Moon (Tony Discipline) and Anthony Moon (Matt Lapinskas).  Along with his children, Eddie was introduced to bring a "new generation" of the Moon family to the programme.  Essex began filming in April 2011 and first appeared on screen on 3 June 2011.  His initial contract ended in August, and Essex hoped he would be able to return to the role.  The character has been described as cheeky, likeable and charismatic, and has a dark past.  Through the series' narrative, it is revealed that there is a rift between Michael and Eddie, because Michael blames his father for the death of his mother, who killed herself when Michael was left alone with her.  Eddie is also a love interest for Carol Jackson (Lindsey Coulson) and Vanessa Gold (Zöe Lucker). Dorothy "Dot" Branning (also Cotton) is a fictional character from the BBC soap opera, "EastEnders", played by June Brown since 1985.  Dot first appeared in "EastEnders" in July 1985 as the mother of criminal Nick Cotton (John Altman).  The character has worked as a launderette assistant for most of that time along with original character Pauline Fowler (Wendy Richard).  Dot moved away with her son and his family in 1993.  In reality, Brown left the show in 1993, unhappy with the axing of her co star Peter Dean, who played Pete Beale from the shows first episode to early 1993.  Brown returned to the role in 1997, and Dot was shown moving back to Albert Square, and has continued since that time.  On 28 April 2017, Dot overtook Pat Butcher (Pam St. Clement) as the second longest-serving character in "EastEnders", surpassed only by original character Ian Beale (Adam Woodyatt).  In a special episode entitled "EastEnders: Dot's Story" (2003) a young Dot was played by Tallulah Pitt-Brown in flashbacks.  In April 2012, Brown took a six-month break from the show to write her memoirs.  Dot temporarily departed on 18 May 2012.  She returned on 14 January 2013.  In February 2015, Dot began appearing less frequently due to Brown gradually losing her eyesight; this aspect of her life was later written into her character the following year.  In January 2016, it was announced that Brown had renewed her contract with the BBC until March 2017.  Brown is now the oldest soap opera actress in Britain.  In January 2017 it was reported that the BBC were offering Brown £300,000 for a one-year contract. Heather Jean Chasen (born 20 July 1927) is an English actress.  Chasen is known for her roles in soap operas; playing Valerie Pollard in the ITV soap opera "Crossroads" from 1982–86 and guest roles in "Doctors", "Holby City" and "Family Affairs".  Chasen also played many roles in BBC Radio 2's "The Navy Lark" from 1959–77, and appeared in the television series "Marked Personal" from 1973–74.  She played Lydia Simmonds in the BBC soap opera "EastEnders", a role which received positive reviews from critics, "EastEnders" cast members and crew.  Furthermore, she has appeared extensively in theatre productions and film; in 2012, she appeared in a film version of "Les Misérables". Michael Edward Moon is a fictional character from the BBC soap opera "EastEnders", played by Steve John Shepherd.  The character is a second cousin once removed of Alfie Moon (Shane Richie), and first appears on 1 October 2010 after Alfie's return.  He is also the father to Tommy Moon, whose mother is Alfie's wife Kat Moon (Jessie Wallace).  Michael is later joined by his father Eddie Moon (David Essex) and half brothers Tyler (Tony Discipline) and Anthony (Matt Lapinskas). Mercy Chubb (also Olubunmi) is a fictional character from the BBC soap opera "EastEnders" and its Internet spin-off "", played by Bunmi Mojekwu.  Mercy is one of four main characters in "EastEnders: E20", alongside Zsa Zsa Carter (Emer Kenny), Leon Small (Sam Attwater) and Fatboy (Ricky Norwood).  She was the only character from the spin-off not to be automatically transitioned into "EastEnders".  It was subsequently announced that she would join "EastEnders" due to positive reaction to the character, and made her first appearance in the soap on 31 May 2010.  In May 2011, it was announced that Mercy was to leave "EastEnders" and she departed on 12 July 2011. Anthony Moon is a fictional character from the BBC soap opera "EastEnders", played by Matt Lapinskas.  He was introduced on 25 July 2011 as an extension to the Moon family.  The son of Eddie Moon (David Essex), half brother of Michael Moon (Steve John Shepherd) and brother of Tyler Moon (Tony Discipline), his storylines have focused on the friendship between him and Tyler, and his relationships with Poppy Meadow (Rachel Bright), Jodie Gold (Kylie Babbington), Amira Masood (Preeya Kalidas) and Alice Branning (Jasmyn Banks). Doña Croll (born 29 August 1953) is a Jamaican-born British actress.  She is best known for her British soap opera roles as Pearl McHugh in Channel 5's "Family Affairs" and more recently as Vera Corrigan in the BBC soap opera "Doctors", and as Emerald Fox in the popular BBC soap opera, "EastEnders". David Essex, OBE (born David Albert Cook; 23 July 1947) is an English musician, singer-songwriter, and actor.  Since the 1970s, he has attained 19 Top 40 singles in the UK (including two number ones) and 16 Top 40 albums.  He has also had an extensive career as an actor. Carli Jo Norris (born 23 June 1974) is an English actress, known for her role as Anoushka Flynn in the BBC soap opera "Doctors", in the BBC soap opera "EastEnders" as Belinda Peacock (nee Slater), as Martha Kane in the Channel 4 soap opera "Hollyoaks" and Fran Reynolds in "Holby City".  She also made a return to "EastEnders" in 2016, playing the role of Belinda Peacock, taking over from Leanne Lakey.  Norris returned to "Holby City" for a guest stint as Fran from 16 May 2017. Tyler Moon is a fictional character from the BBC soap opera "EastEnders", played by Tony Discipline.  Tyler is the son of Eddie Moon (David Essex), half brother of Michael (Steve John Shepherd) and Craig Moon (Elliot Rosen), brother of Anthony Moon (Matt Lapinskas) and cousin of Alfie Moon (Shane Richie).  He made his first appearance on 27 June 2011.
Answer: 16