Question: What is the length of the track where the 2013 Liqui Moly Bathurst 12 Hour was staged?
{'answer': '6.213 km long', 'supporting_facts': [['2013 Liqui Moly Bathurst 12 Hour', 0], ['2013 Liqui Moly Bathurst 12 Hour', 1], ['Mount Panorama Circuit', 0], ['Mount Panorama Circuit', 2]]}