Question: who is credited with the discovery of the milky way
[{'answer': 'Galileo Galilei', 'provenance': [{'wikipedia_id': '2589714', 'title': 'Milky Way', 'start_paragraph_id': 1, 'start_character': 433, 'end_paragraph_id': 1, 'end_character': 448, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '2589714', 'title': 'Milky Way', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 812, 'bleu_score': 0.8235747979715491, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1910308256063180769}, 'section': 'Section::::Abstract.'}]}]