Question: how many districts are there in new jersey
[{'answer': '12', 'provenance': [{'wikipedia_id': '449489', 'title': "New Jersey's congressional districts", 'start_paragraph_id': 1, 'start_character': 11, 'end_paragraph_id': 1, 'end_character': 13, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '449489', 'title': "New Jersey's congressional districts", 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 246, 'bleu_score': 0.757280234565558, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13380641406698024008}, 'section': 'Section::::Abstract.'}]}]