Extract the answer to the following question from the movie plot. If the question isn't answerable, please output "Can't answer". Question: Patel was instrumental in the formation of what organization? Title: Sardar Movie plot: The film begins with a young Sardar Patel playing cards with his friends and ridiculing Mahatma Gandhi and his policies to achieve independence. His views change however when he is introduced to Gandhi by his brother and upon listening to a lecture delivered by Gandhi, he joins him in his struggle. Sardar then successfully organises various Satyagrahas throughout Gujarat. The film then moves to the age of the Quit India Movement and India's freedom. Sardar is instrumental in convincing the working committee of the INC and Nehru to accept a proposal for the partition of India when riots break out on the league's call for Direct Action. Sardar realises that not tackling the problem now might result in civil war in the country. Once the partition has been accepted, Sardar then works to get all the princely states to join the Union of India, the film accurately depicts his handling of the problems posed by the princely states of Kashmir, Junnagad and Hyderabad. The film also portrays his differences with Nehru and how they work together after the death of Gandhiji. The film ends with Sardar resting in a village saying that today from Kashmir to Kanyakumari, there is one independent nation.
The answer to this question is:
committee of the INC