Question: Who is an Indian film actor and producer that co-hosted the 57th Filmfare Awards ceremony in 2012?
Related documents: [0]  [DOC] The 57th Filmfare Awards were held on January 29, 2012 at Film City, Mumbai honoring the best film of 2011 from the Hindi-language film industry (commonly known as Bollywood). The ceremony was jointly hosted by Shahrukh Khan and Ranbir Kapoor. Incidentally, both of them have hosted the award ceremonies previously but with different co-hosts (Khan with Saif Ali Khan, Kapoor with Imran Khan), hence making it the first time for this pair to host the show. [END] 
[1]  [DOC] Saif Ali Khan (] ; born Sajid Ali Khan on 16 August 1970) is an Indian film actor and producer. The son of actress Sharmila Tagore and the late cricketer Mansoor Ali Khan Pataudi, Khan made his acting debut in Yash Chopra's unsuccessful drama "Parampara" (1993), but achieved success with his roles in the romantic drama "Yeh Dillagi" and the action film "Main Khiladi Tu Anari" (both 1994). Khan's career prospect declined through much of the 1990s, and his biggest commercial success of the decade came with the ensemble drama "Hum Saath-Saath Hain" (1999). He rose to prominence with roles in two ensemble comedy-dramas"Dil Chahta Hai" (2001) and "Kal Ho Naa Ho" (2003). [END] 
Answer: 
Saif Ali Khan
Saif Ali Khan