Question: Who among nine individuals secured enough popular signatures or support of parliamentarians to become official candidates for the Czech presidential election, 2013 and serves as a Member of Parliament for Prague and as Chairman of the Foreign Affairs Committee in the Chamber of Deputies?
{'answer': 'Karel Schwarzenberg', 'supporting_facts': [['Czech presidential election, 2013', 2], ['Czech presidential election, 2013', 3], ['Karel Schwarzenberg', 0], ['Karel Schwarzenberg', 1]]}