Question: Bartholomew JoJo "Bart" Simpson is a fictional character in the American animated television series "The Simpsons", he is voiced by Nancy Cartwright and first appeared on television in "The Tracey Ullman Show", is an American television variety show starring Tracey Ullman, it debuted on which date?
Context: Tracey Takes On... is an HBO sketch comedy series starring actress-comedian Tracey Ullman.  The show ran for four seasons, and won multiple awards.  Each week, the episode would focus on, or "take on," a certain subject, giving the show focus.  Ullman decided on 20 characters to play each episode, unlike her Fox series, which featured her playing a new character every week.  Shooting the show on location gave her the ability to apply makeup, wigs, and teeth at a less frantic pace.  "The Tracey Ullman Show" featured makeups that had not been conducted to a live audience.  Ullman found herself fainting on the makeup floor, having to be revived.  HBO commissioned a ""Takes On"" series after two successful specials were screened, "", and "Tracey Ullman Takes On New York". Bartholomew JoJo "Bart" Simpson is a fictional character in the American animated television series "The Simpsons" and part of the Simpson family.  He is voiced by Nancy Cartwright and first appeared on television in "The Tracey Ullman Show" short "Good Night" on April 19, 1987.  Cartoonist Matt Groening created and designed Bart while waiting in the lobby of James L. Brooks' office.  Groening had been called to pitch a series of shorts based on his comic strip, "Life in Hell", but instead decided to create a new set of characters.  While the rest of the characters were named after Groening's family members, Bart's name is an anagram of the word "brat".  After appearing on "The Tracey Ullman Show" for three years, the Simpson family received its own series on Fox, which debuted December 17, 1989. Marjorie Jacqueline "Marge" Simpson (née Bouvier) is a fictional character in the American animated sitcom "The Simpsons" and part of the eponymous family.  She is voiced by Julie Kavner and first appeared on television in "The Tracey Ullman Show" short "Good Night" on April 19, 1987.  Marge was created and designed by cartoonist Matt Groening while he was waiting in the lobby of James L. Brooks' office.  Groening had been called to pitch a series of shorts based on "Life in Hell" but instead decided to create a new set of characters.  He named the character after his mother Margaret Groening.  After appearing on "The Tracey Ullman Show" for three seasons, the Simpson family received their own series on Fox, which debuted December 17, 1989. The Itchy & Scratchy Show (often shortened as Itchy & Scratchy) is a running gag and fictional animated television series featured in the American animated television series "The Simpsons".  It usually appears as a part of "The Krusty the Clown Show", watched regularly by Bart Simpson and Lisa Simpson.  Itself an animated cartoon, "The Itchy & Scratchy Show" depicts a sadistic anthropomorphic blue mouse, Itchy (voiced by Dan Castellaneta), who repeatedly maims and kills an anthropomorphic, hapless threadbare black cat, Scratchy (voiced by Harry Shearer).  The cartoon first appeared in "The Tracey Ullman Show" short "The Bart Simpson Show", which originally aired November 20, 1988.  The cartoon's first appearance in "The Simpsons" was in the 1990 episode "There's No Disgrace Like Home".  Typically presented as 15-to-60-second-long cartoons, the show is filled with gratuitous violence.  "The Simpsons" also occasionally features characters who are involved with the production of "The Itchy & Scratchy Show", including Roger Meyers Jr. (voiced by Alex Rocco, and, later, Hank Azaria), who runs the studio and produces the show. Lisa Marie Simpson is a fictional character in the animated television series "The Simpsons".  She is the middle child and most intelligent of the Simpson family.  Voiced by Yeardley Smith, Lisa first appeared on television in "The Tracey Ullman Show" short "Good Night" on April 19, 1987.  Cartoonist Matt Groening created and designed her while waiting to meet James L. Brooks.  Groening had been invited to pitch a series of shorts based on his comic "Life in Hell", but instead decided to create a new set of characters.  He named the elder Simpson daughter after his younger sister Lisa Groening.  After appearing on "The Tracey Ullman Show" for three years, the Simpson family were moved to their own series on Fox, which debuted on December 17, 1989. Margaret Evelyn "Maggie" Simpson is a fictional character in the animated television series "The Simpsons".  She first appeared on television in the "Tracey Ullman Show" short "Good Night" on April 19, 1987.  Maggie was created and designed by cartoonist Matt Groening while he was waiting in the lobby of James L. Brooks' office.  She received her first name from Groening's youngest sister.  After appearing on "The Tracey Ullman Show" for three years, the Simpson family was given their own series on the Fox Broadcasting Company which debuted December 17, 1989. "Good Night" (also known as "Good Night Simpsons") is the first of forty-eight Simpsons shorts that appeared on the variety show "The Tracey Ullman Show".  It originally aired on the Fox network in the United States on April 19, 1987, during the third episode of "The Tracey Ullman Show" and marks the first appearance of the Simpson family — Homer, Marge, Bart, Lisa, and Maggie — on television.  After three seasons on Tracey Ullman, the shorts would be adapted into the animated show "The Simpsons".  "Good Night" has since been aired on the show in the episode "The Simpsons 138th Episode Spectacular" (in its entirety), along with several other Ullman shorts, and is one of the few shorts to ever be released on DVD, being included in the Season 1 DVD set. The Tracey Ullman Show is an American television variety show starring Tracey Ullman.  It debuted on April 5, 1987, as the Fox network's second prime-time series after "Married... with Children", and ran until May 26, 1990.  The show is produced by Gracie Films and 20th Century Fox Television.  The show blended sketch comedy shorts with many musical numbers, featuring choreography by Paula Abdul. Tracey Ullman's Show is a British sketch comedy television show starring Tracey Ullman.  "Tracey Ullman's Show" premiered on BBC One on 11 January 2016.  The programme marks her first project for the broadcaster in over thirty years, and her first original project for British television in twenty-two years. Homer Jay Simpson is a fictional character and the main protagonist of the American animated television series "The Simpsons" as the patriarch of the eponymous family.  He is voiced by Dan Castellaneta and first appeared on television, along with the rest of his family, in "The Tracey Ullman Show" short "Good Night" on April 19, 1987.  Homer was created and designed by cartoonist Matt Groening while he was waiting in the lobby of James L. Brooks' office.  Groening had been called to pitch a series of shorts based on his comic strip "Life in Hell" but instead decided to create a new set of characters.  He named the character after his father, Homer Groening.  After appearing for three seasons on "The Tracey Ullman Show", the Simpson family got their own series on Fox that debuted December 17, 1989.
Answer: April 5, 1987