Question: what kind of books does david baldacci write
[{'answer': 'novels for adults', 'provenance': [{'wikipedia_id': '904063', 'title': 'David Baldacci', 'start_paragraph_id': 7, 'start_character': 200, 'end_paragraph_id': 7, 'end_character': 217, 'bleu_score': 1.0, 'section': 'Section::::Biography.:Career.\n'}]}, {'answer': 'novels for younger readers', 'provenance': [{'wikipedia_id': '904063', 'title': 'David Baldacci', 'start_paragraph_id': 7, 'start_character': 235, 'end_paragraph_id': 7, 'end_character': 261, 'bleu_score': 1.0, 'section': 'Section::::Biography.:Career.\n'}]}, {'provenance': [{'wikipedia_id': '904063', 'title': 'David Baldacci', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 261, 'bleu_score': 0.835796667030069, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 14443499615695027184}, 'section': 'Section::::Biography.:Career.\n'}]}]