Question: what was built by the inmates of changi prison camp
[{'answer': 'a chapel at the prison', 'provenance': [{'wikipedia_id': '651583', 'title': 'Changi Prison', 'start_paragraph_id': 6, 'start_character': 39, 'end_paragraph_id': 6, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::History.:First prison and POW camp.\n'}]}, {'provenance': [{'wikipedia_id': '651583', 'title': 'Changi Prison', 'start_paragraph_id': 6, 'start_character': 0, 'end_paragraph_id': 6, 'end_character': 521, 'bleu_score': 0.977397480575333, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7438590310433405069}, 'section': 'Section::::History.:First prison and POW camp.\n'}]}]