Question: The Simpsons episode "The Old Man and the Key" features which Simpsons family member?

Context paragraphs:
The Old Man and the Key: "The Old Man and the Key" is the thirteenth episode of "The Simpsons"<nowiki>'</nowiki> thirteenth season.  It first aired in the United States on the Fox network on March 10, 2002.  In the episode, Grampa Simpson falls in love with Zelda, an old woman who has just moved into the senior home in which Grampa lives.  However, Grampa is not the only one in the home who is infatuated with Zelda.

The Crepes of Wrath: "The Crepes of Wrath" is the eleventh episode of "The Simpsons"<nowiki>'</nowiki> first season.  It originally aired on the Fox network in the United States on April 15, 1990.  The episode was written by George Meyer, Sam Simon, John Swartzwelder and Jon Vitti, and was directed by Wes Archer and Milton Gray.  In the episode, Bart is sent to France on a student exchange trip, where his hosts treat him as a slave.  Meanwhile, an Albanian student takes Bart's place in the Simpsons family, and shows great interest in Homer's work at the nuclear power plant.

Galder: Galder is a Norwegian guitarist, and vocalist.  His birth name is Tom Rune Andersen.  He is from the small town Jessheim, north of Oslo.  He is a founding member of the melodic black metal band Old Man's Child as well as the lead guitarist in Dimmu Borgir.  In 1993, under the stage name Grusom, he, Jardar and Tjodalv created Old Man's Child.  On Old Man's Child albums, he has performed vocal work, guitars, bass, and keyboards, though with a full line-up his primary instruments are guitar and keyboards, as well as vocals.  He joined Dimmu Borgir in 2000 but has kept Old Man's Child alive.

Brawl in the Family (The Simpsons): "Brawl in the Family" is the seventh episode of "The Simpsons"<nowiki>'</nowiki> thirteenth season.  It first aired on the Fox network in the United States on January 6, 2002.  In the episode, the Simpsons family get arrested for domestic violence, prompting social worker Gabriel to move in and make the family functional.  After the family is declared acceptable, Amber and Ginger, the cocktail waitresses Homer and his neighbor Ned Flanders married in Las Vegas, show up at their doorsteps.

Kisa Gotami: Kisa Gotami was the wife of a wealthy man of Savatthi.  Her story is one of the more famous ones in Buddhism.  After losing her only child, Kisa Gotami became desperate and asked if anyone could help her.  Her sorrow was so great that many thought she had lost her mind.  An old man told her to see the Buddha.  The Buddha told her that before he could bring the child back to life if she should find white mustard seeds from a family where no one had died.  She desperately went from house to house, but to her disappointment, she could not find a house that had not suffered the death of a family member.  Finally the realization struck her that there is no house free from mortality.  She returned to the Buddha, who comforted her and preached to her the truth.  She was awakened and entered the first stage of Arhatship.  Eventually, she became an arhat.

Four Great Women and a Manicure: "Four Great Women and a Manicure" is the twentieth episode of the twentieth season of "The Simpsons".  First broadcast on the Fox network in the United States on May 10, 2009, it was the second Simpsons episode (after "Simpsons Bible Stories") to have four acts instead of the usual three.  The episode tells four tales of famous women featuring "Simpsons" characters in various roles: Selma as Queen Elizabeth I, Lisa as Snow White, Marge as Lady Macbeth and Maggie as Howard Roark from Ayn Rand's "The Fountainhead".

Patty and Selma: Patty and Selma Bouvier ( ) are fictional characters in the American animated sitcom "The Simpsons".  They are identical twins (but with different hairstyles) and are both voiced by Julie Kavner.  They are Marge Simpson's older twin sisters, who both work at the Springfield Department of Motor Vehicles, and possess a strong dislike for their brother-in-law, Homer Simpson.  Selma is the elder by two minutes, and longs for male companionship while her sister, Patty, is a lesbian.  Kavner voices them as characters who "suck the life out of everything".  Patty and Selma first appeared on the first ever aired Simpsons episode "Simpsons Roasting On An Open Fire", which aired on December 17, 1989.

Durgaa: Durgaa (English language: Durgaa) is an Indian Hindi film directed by Shibu Mitra, released on 12 July, 1985.  The film stars Hema Malini in the title role.  This action-crime genre film revolves around Durgaa, a soft-spoken girl who is exploited by various men in her life.  At first, Durgaa falls in love with a young man (Raj Babbar) and even marries him.  But she realises post marriage that her husband had married her only as an excuse to sleep with her.  Durgaa sees her husband romancing and sleeping with other girls.  Her husband tries to get Durgaa into trouble by hatching a plan to get her name tagged as a prostitute.  She is then accused of murdering an innocent girl but seeks the help of a senior good looking man (Pran) to bear her court expenses so that she can fight the injustice against her.  She is introduced to Mohan Babu (Rajesh Khanna), who has the reputation of winning every case he handles and so is hired as the advocate representing Durgaa.  But Durgaa is not aware of the motive of the old man in helping her.  The rest of the story is why Mohan was hired as the advocate by that old man, what the motive of the old man helping Durgaa was, will Durgaa ever forgive her husband, who murdered the girl etc.  In the end Durgaa takes revenge on the devils in her life.  Rajesh Khanna plays the savior of Durgaa in the last 50 minutes of the film, playing the Advocate representing Durgaa in court, and marries Durgaa in the end.The music is by Sonik Omi.

Grampa Simpson: Abraham Jedediah Simpson II, often known as Grampa, is a fictional character in the animated television series "The Simpsons".  He made his first appearance in the episode entitled "Grampa and the Kids", a Simpsons short on "The Tracey Ullman Show".  Voiced by Dan Castellaneta, he is the father of Homer Simpson and the grandfather of Bart, Lisa and Maggie Simpson.  In the 1000th issue of "Entertainment Weekly", Grampa was selected as the Grandpa for "The Perfect TV Family".

A Star Is Born Again: "A Star Is Born Again" is the 13th episode from "The Simpsons"<nowiki>'</nowiki> fourteenth season.  It first aired on the Fox network in the United States on March 2, 2003.  The episode owes much of its plot to "Notting Hill" (1999).  While that film is about an actress (Julia Roberts) finding happiness with the owner of an independent bookstore, the Simpsons episode features Hollywood movie star Sara Sloane (Marisa Tomei) falling for Ned Flanders after visiting the Leftorium.

Supporting paragraphs: The Old Man and the Key Grampa Simpson
Answer: Grampa Simpson