Question: who was the founder of the mauryan empire
[{'answer': 'Chandragupta Maurya', 'provenance': [{'wikipedia_id': '554578', 'title': 'Maurya Empire', 'start_paragraph_id': 1, 'start_character': 107, 'end_paragraph_id': 1, 'end_character': 126, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]