Question: what is the brightest star seen from earth
[{'answer': 'Sirius', 'provenance': [{'wikipedia_id': '28161', 'title': 'List of brightest stars', 'start_paragraph_id': 3, 'start_character': 240, 'end_paragraph_id': 3, 'end_character': 246, 'bleu_score': 1.0, 'section': 'Section::::Measurement.\n'}]}, {'provenance': [{'wikipedia_id': '28161', 'title': 'List of brightest stars', 'start_paragraph_id': 3, 'start_character': 56, 'end_paragraph_id': 3, 'end_character': 413, 'bleu_score': 0.8371270173345061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1636496181122309778}, 'section': 'Section::::Measurement.\n'}]}]