Question: what is bigger the titanic or the hindenburg
[{'answer': 'Titanic'}, {'provenance': [{'wikipedia_id': '18239485', 'title': 'Hindenburg-class airship', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 611, 'bleu_score': 0.648959492194153, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11866689338217845624}, 'section': 'Section::::Design and development.\n'}]}]