Question: what part was bilbo to take in the adventure
[{'answer': "a `` burglar ''"}, {'provenance': [{'wikipedia_id': '59584', 'title': 'Bilbo Baggins', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 962, 'bleu_score': 0.9733831041780681, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3281793655533167993}, 'section': 'Section::::Appearances.:"The Hobbit".\n'}]}]