Question: Patrick Tam and Padmarajan, have which occupation in common?

Context paragraphs:
The Duel (2000 film): The Duel is a 2000 Hong Kong "wuxia" comedy film directed by Andrew Lau and starring Andy Lau, Ekin Cheng, Nick Cheung, Kristy Yang, Zhao Wei and Patrick Tam.  The film is adapted from "Juezhan Qianhou" of Gu Long's "Lu Xiaofeng" novel series.  It is known for its humorous take on the original story and its special effects.

After This Our Exile: After This Our Exile (父子, literally "Father-Son") is a 2006 Hong Kong film directed by Patrick Tam.

Born Wild (film): Born Wild is a 2001 Hong Kong action drama film directed by Patrick Leung and starring Louis Koo, Daniel Wu, Patrick Tam and Jo Kuk.

Patrick Tam (film director): Patrick Tam Kar Ming (; born March 25, 1948) is a Hong Kong film director and film editor.  He is known as the mentor of Wong Kar-wai.

Two Thumbs Up (film): Two Thumbs Up is a 2015 Hong Kong-Chinese action comedy film directed by first-time director Lau Ho-leung and starring Francis Ng, Simon Yam, Leo Ku, Patrick Tam, Mark Cheng, Christie Chen and Philip Keung.

Final Victory: Final Victory is a 1987 Hong Kong action film directed by Patrick Tam and starring Eric Tsang, Loletta Lee, Margaret Lee and Tsui Hark.

My Heart Is That Eternal Rose: My Heart Is That Eternal Rose (殺手蝴蝶夢) is a 1989 Hong Kong film directed by Patrick Tam.

Nomad (1982 film): Nomad () is a 1982 Hong Kong film directed by Patrick Tam.  It is about the experiences of a group of youngsters who feel lost and try to find the true meaning of life.  "Nomad" is considered as one of the representatives of the Hong Kong New Wave films.

Padmarajan: Padmarajan (23 May 1945 – 24 January 1991) (also known as Padmarajan Pillai) was an Indian author, screenwriter, and film director who was known for his landmark works in Malayalam literature and Malayalam cinema.  Padmarajan was the founder of a new school of film making in Malayalam, along with Bharathan, in the 1980s, which created films that were widely received while also being critically acclaimed.

Fox Volant of the Snowy Mountain (2006 TV series): Fox Volant of the Snowy Mountain is a 2006 Hong Kong-Chinese television series adapted from Louis Cha's novels "Fox Volant of the Snowy Mountain" and "The Young Flying Fox".  Directed by Andrew Lau and Tam Yau-yip, the series is a co-production by the Hong Kong companies ATV and Ciwen Pictures, with Wong Jing as producer, starring Nie Yuan, Athena Chu, Gillian Chung, Ady An, Alex Fong, Anthony Wong and Patrick Tam.  It was first broadcast in Hong Kong on ATV in 2006.

Supporting paragraphs: Patrick Tam (film director) Padmarajan
Answer: film director