In this task, you are given a context paragraph, a question based on that and corresponding answer of a question. Your task is to generate supporting fact/knowledge from context paragraph which helps in answering a given question.

PK is a 2014 Indian satirical science fiction comedy film. The film was directed by Rajkumar Hirani, produced by Hirani and Vidhu Vinod Chopra, and written by Hirani and Abhijat Joshi. The film stars Aamir Khan in the title role with Anushka Sharma, Sushant Singh Rajput, Boman Irani, Saurabh Shukla, and Sanjay Dutt in supporting roles. It tells the story of an alien who comes to Earth on a research mission. He befriends a television journalist and questions religious dogmas and superstitions. Question: Who was the director of the 2014 sci fi comedy film which features the romantic Hindi song Chaar Kadam? Answer: Rajkumar Hirani
PK is a 2014 Indian satirical science fiction comedy film.

The MacBook Pro (sometimes abbreviated MBP) is a line of Macintosh portable computers introduced in January 2006 by Apple Inc. Replacing the PowerBook G4, the MacBook Pro was the second model to be announced during the Apple–Intel transition, after the iMac. It is the high-end model of the MacBook family and is currently available in 13- and 15-inch screen sizes. A 17-inch version was available between April 2006 and June 2012. Question: The HP Pavilion dv9700t is comparable to the Dell XPS M1530 and what other Computer that was introduced in 2006? Answer: MacBook Pro
The MacBook Pro sometimes abbreviated MBP is a line of Macintosh portable computers introduced in January 2006 by Apple Inc.

William I (c. 1028 – 9 September 1087), usually known as William the Conqueror and sometimes William the Bastard, was the first Norman King of England, reigning from 1066 until his death in 1087. A descendant of Rollo, he was Duke of Normandy (as Duke William II) from 1035 onward. After a long struggle to establish his power, by 1060 his hold on Normandy was secure, and he launched the Norman conquest of England six years later. The rest of his life was marked by struggles to consolidate his hold over England and his continental lands and by difficulties with his eldest son. Question: The Abbey of Saint-Étienne was founded by a descendant of who? Answer: Rollo

William I c. 1028 – 9 September 1087, usually known as William the Conqueror and sometimes William the Bastard, was the first Norman King of England, reigning from 1066 until his death in 1087.