Question: when it built production lines in the united states bmw
[{'answer': '1994', 'provenance': [{'wikipedia_id': '3772', 'title': 'BMW', 'start_paragraph_id': 146, 'start_character': 34, 'end_paragraph_id': 146, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Overseas subsidiaries.:Production facilities.:South Africa.\n'}]}, {'provenance': [{'wikipedia_id': '3772', 'title': 'BMW', 'start_paragraph_id': 150, 'start_character': 0, 'end_paragraph_id': 150, 'end_character': 250, 'bleu_score': 0.955027111100031, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 1560242416509476326}, 'section': 'Section::::Overseas subsidiaries.:Production facilities.:United States.\n'}]}]