Question: what is the name of the 2nd percy jackson book
[{'answer': 'The Sea of Monsters', 'provenance': [{'wikipedia_id': '6143564', 'title': 'Percy Jackson & the Olympians', 'start_paragraph_id': 11, 'start_character': 12, 'end_paragraph_id': 11, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Books.:"The Lightning Thief".\n'}]}, {'provenance': [{'wikipedia_id': '6143564', 'title': 'Percy Jackson & the Olympians', 'start_paragraph_id': 12, 'start_character': 0, 'end_paragraph_id': 12, 'end_character': 88, 'bleu_score': 0.8781879837907131, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18113470247277636600}, 'section': 'Section::::Books.:"The Sea of Monsters".\n'}]}]