Question: what is the closest red giant star to earth
[{'answer': 'Gamma Crucis', 'provenance': [{'wikipedia_id': '21245707', 'title': 'Red giant', 'start_paragraph_id': 6, 'start_character': 167, 'end_paragraph_id': 6, 'end_character': 179, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '21245707', 'title': 'Red giant', 'start_paragraph_id': 28, 'start_character': 0, 'end_paragraph_id': 28, 'end_character': 262, 'bleu_score': 0.9062841320510341, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 8383278561862144568}, 'section': 'Section::::Well known examples.\n'}]}]