Question: where are they building the mercedes benz stadium
[{'answer': 'Atlanta , Georgia', 'provenance': [{'wikipedia_id': '36962066', 'title': 'Mercedes-Benz Stadium', 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 77, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]