Question: who is running for governor of virginia as the democratic candidate
[{'answer': 'Ralph Northam', 'provenance': [{'wikipedia_id': '40995799', 'title': '2017 Virginia gubernatorial election', 'start_paragraph_id': 2, 'start_character': 196, 'end_paragraph_id': 2, 'end_character': 209, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '40995799', 'title': '2017 Virginia gubernatorial election', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 333, 'bleu_score': 0.913499617140693, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7793708659448574661}, 'section': 'Section::::Abstract.'}]}]