Question: what is the last phase of the moon
[{'answer': 'Waning crescent', 'provenance': [{'wikipedia_id': '20424', 'title': 'Lunar phase', 'start_paragraph_id': 15, 'start_character': 541, 'end_paragraph_id': 15, 'end_character': 556, 'bleu_score': 1.0, 'section': 'Section::::Phases of the Moon.:Orientation by latitude.\n'}]}]