Given the task definition and input, reply with output. You are given a concept, and a list of answers. You should generate a question about the concept that leads to the given answer(s).

concept: Indian National Congress answers: ['Sonia Gandhi', 'Shankar Dayal Sharma', 'N. S. V. Chitthan', 'Indira Gandhi', 'Manmohan Singh', 'Rajiv Gandhi', 'Mahatma Gandhi', 'Pratibha Patil', 'P. V. Narasimha Rao', 'Ambareesh']
who was the president of indian national congress?