Question: what was the last plague god sent on egypt
[{'answer': 'death of the firstborn', 'provenance': [{'wikipedia_id': '582864', 'title': 'Plagues of Egypt', 'start_paragraph_id': 7, 'start_character': 193, 'end_paragraph_id': 7, 'end_character': 215, 'bleu_score': 1.0, 'section': 'Section::::Plagues.:10. Death of firstborn: Ex. 11:1–12:36.\n'}]}]