Please answer the following question: Generate a question that has the following answer: Darth Vader, Obi-wan, Padm for the following movie plot: The opening crawl reveals that the galaxy is in the midst of the war. Chancellor Palpatine (Ian McDiarmid) has been kidnapped by the Separatists' second-in-command, General Grievous. Jedi Knight Anakin Skywalker (Hayden Christensen) and Jedi Master Obi-Wan Kenobi (Ewan McGregor) lead a mission to rescue him. After killing Count Dooku (Christopher Lee) and freeing the Chancellor, the Jedi attempt to escape, but are captured by General Grievous. Anakin and Obi-Wan manage to break free, but Grievous escapes and traps the Jedi and the Chancellor inside the severely damaged cruiser. Anakin is forced to crash-land the ship on one of Coruscant's landing tracks.Upon his return, Anakin is reunited with his wife, Padme Amidala (Natalie Portman), who tells him that she is pregnant. Despite Padme's worries over their secret marriage, Anakin is overjoyed at this news, and the couple makes plans to raise their child. However, Anakin is troubled by visions of Padme dying in childbirth, visions similar to those he had of his mother just before she died. Later, Obi-Wan privately tells Anakin that the Council wants him to spy on the Chancellor because they believe him to be corrupt, an order Anakin resents since the Chancellor has become a mentor to him. As the Chancellor's bodyguard, Anakin develops a close friendship with Palpatine, who subtly manipulates Anakin in their discussions, making him distrust the Jedi. Palpatine claims to know of an ability to prevent death.Obi-Wan is sent to Utapau, where he engages and kills General Grievous. Meanwhile, back on Coruscant, Palpatine reveals himself to Anakin as the Sith Lord Darth Sidious, who has been controlling the Republic and the Separatist movement. Anakin leaves to expose him to the Jedi Council. Mace Windu (Samuel L. Jackson) arrives at the Chancellor's office shortly thereafter and eventually subdues Palpatine through a lightsaber duel. Just as Anakin arrives, Windu is about to slay the Chancellor. Anakin quickly disarms Windu, believing the Chancellor holds the only way...
Answer:
Who travels to Mustafar?