Question: what is the full name of jcb machine
[{'answer': 'J.C. Bamford Excavators Limited', 'provenance': [{'wikipedia_id': '1007853', 'title': 'JCB (company)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 31, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1007853', 'title': 'JCB (company)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 459, 'bleu_score': 0.788633242578279, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 521100638711727485}, 'section': 'Section::::Abstract.'}]}]