Question: What year did the man, who was impersonated by Roger Kitter in the Lego advertisement, die of a heart attack?

Context articles: Jim Fixx
Christian Shephard
Beta blocker
William Zachariah Leitner
Tommy Cooper
Roger Kitter
Watch Your Own Heart Attack
Deep Cuts, Volume 1 (1973–1976)
Big Kap
Rock &amp; Roll Heart Attack

James Fuller Fixx (April 23, 1932 – July 20, 1984) was an American who authored the 1977 best-selling book "The Complete Book of Running".
 He is credited with helping start America's fitness revolution, popularizing the sport of running and demonstrating the health benefits of regular jogging.
 He died of a heart attack while jogging at 52 years of age; his father Calvin Fixx had died even younger of the same.
 His genetic predisposition for heart problems and other previous lifestyle factors may have caused his heart attack.
Dr. Christian Shephard is a fictional character on the ABC television series "Lost" played by John Terry.
 He is the father of lead characters Jack Shephard (Matthew Fox), who becomes the de facto leader of the survivors of Oceanic 815 after it crashes on an island, and Claire Littleton (Emilie de Ravin), another of the survivors on the Island.
 Christian died of an alcohol-induced heart attack days before the flight, leading to much of his story being told through flashbacks.
 In the fourth season and fifth season he is again featured on the Island several times, seemingly acting as a messenger for the leader of the Others, Jacob (Mark Pellegrino).
 In the sixth season, the Man in Black (Titus Welliver/Terry O'Quinn) admitted that he had "impersonated" Christian during the first week after the crash of Flight 815.
Beta blocker, also written β-blocker, is a class of medications that are particularly used to manage cardiac arrhythmias, and to protect the heart from a second heart attack (myocardial infarction) after a first heart attack (secondary prevention).
 They are also widely used to treat hypertension, although they are no longer the first choice for initial treatment of most patients.
William Zachariah Leitner (September 23, 1829 – April 23, 1881) was a lawyer, state senator, state Secretary of State, and a Confederate officer in the American Civil War.
 Before the Civil War he graduated from South Carolina College in 1849 and taught law to John D. Kennedy.
 Commanding the "Camden Volunteers", being Company E of the 2nd South Carolina Infantry Regiment, he was wounded at Gettysburg.
 Losing his right leg as result of his injuries; he was forced to resign in 1864 while serving as enrolling officer for the Kershaw District, SC.
 He was a member of the South Carolina State Senate from Kershaw from 1882-1885.
 He was elected as Secretary of State for SC in November 1886.
 He died in Columbia, SC from a sudden heart attack in November, 1888.
 He served under Governor John Peter Richardson III, another confederate officers during his term.
 He died from a sudden heart attack while in Columbia, SC.
 Some of his pall bearers included Gov. John P. Richardson, Ex-Gov.
 and Gen. Milledge Luke Bonham, and Col. Fitz W. McMaster, previous commander of the 17th SC Infantry.
Thomas Frederick "Tommy" Cooper (19 March 1921 – 15 April 1984) was a British prop comedian and magician.
 Cooper was a member of the Magic Circle, and respected by traditional magicians.
 He was famed for his red tarboosh, and his appearance was large and lumbering, at 6 ft and more than 15 st in weight.
 On 15 April 1984, Cooper collapsed with a heart attack on live national television, and died soon afterwards.
Roger Kitter (20 October 1949 – 3 January 2015) was an English actor best known for playing Captain Alberto Bertorelli in series 7 of the British sitcom TV series "'Allo 'Allo!
".
 He had previously appeared weekly with Lulu throughout the 10-week run of her 1973 BBC1 series "It's Lulu".
 With Kaplan Kaye he also recorded a song "Chalk Dust – the Umpire Strikes Back" using the moniker 'The Brat'.
 Released on the Hansa label, it entered the UK Singles Chart on 10 July 1982; it reached a peak of number 19, and remained in the chart for 8 weeks.
 The song was a Top 10 hit in the Netherlands, Belgium and South Africa, and lampooned John McEnroe complaining about line calls in tennis ("The ball's in, everyone can see that the ball's in!")
.
 He was also an impressionist, who provided the voice of Tommy Cooper in the Lego 'Kipper' advertisement.
Watch Your Own Heart Attack is a two-minute public information film advertisement produced by the British Heart Foundation, starring Steven Berkoff, which illustrates how it feels to have a heart attack.
 It was first shown on ITV1 on 10 August 2008.
Deep Cuts, Volume 1 (1973–1976) is a compilation of Queen tracks between 1973 and 1976.
 Unlike other compilations released by Queen, "Deep Cuts" contains songs which are largely not as well known as Queen's hits.
 The album was released on 14 March 2011 as part of Queen's 40th anniversary.
 "Deep Cuts Volume 1" was released at the same time Queen's first five albums ("Queen", "Queen II", "Sheer Heart Attack", "A Night at the Opera", and "A Day at the Races") were re-released.
 The songs picked were all personal favourite songs, that were not hits, selected by Brian May, Roger Taylor, and Taylor Hawkins (the drummer for the Foo Fighters).
 It is the only release to feature the complete ending of "The March of The Black Queen" (on "Queen II" it segues to "Funny How Love Is") and of "Ogre Battle" (on "Queen II" it segues to "The Fairy Feller's Master-Stroke").
 The three songs "Tenement Funster", "Flick of the Wrist" and "Lily of the Valley" all segue into each other just as on the original "Sheer Heart Attack" album.
Keith Carter (February 26, 1970 – February 3, 2016), also known as Big Kap and The Wardin, was an American hip-hop DJ who was born in New York City and was later based in Atlanta.
 In 1995, he was a member of hip hop supergroup The Flip Squad.
 He was well known for the 1999 album "The Tunnel" with Funkmaster Flex, named after the New York nightclub where he was a regular DJ.
 He died in Mableton, GA late on February 3, 2016 due to a heart attack.
 He was 45 at the time of his death.
 According to his road manager Ab Traxx, Keith dealt with diabetes, but he did not believe it was what caused his fatal heart attack.
 Keith was previously slated to work on a showcase in Atlanta on the day of his death, shortly after his passing, the event became a memorial for Keith.
Rock & Roll Heart Attack is Cindy Valentine's debut album.
 The nine-year-old Canadian prodigy released "Rock & Roll Heart Attack" on vinyl with CBS Columbia Records in 1984.
 Valentine's subsequent work is featured in the title track of the film "Repossessed" (1990). ""
 (1991) features Valentine's single "Pick Up The Pieces (To My Heart)"; her song "Please" appears in the soundtrack of "Love in Paris"/"Another 9½ Weeks" (1997).
 Valentine starred as Shana the Rock Star in "Teen Witch" (1989), where she co-wrote and performed the songs "Never Gonna Be The Same Again" and "Finest Hour".