Question: Name the presidential nominating convention, held at the Wells Fargo Center in Philadelphia in which Rocky De La Fuente ran a third party campaign without winning any delegates and coming fourth by total votes received?
{'answer': '2016 Democratic National Convention', 'supporting_facts': [['Rocky De La Fuente presidential campaign, 2016', 0], ['Rocky De La Fuente presidential campaign, 2016', 2], ['2016 Democratic National Convention', 0]]}