Question: which terminal does virgin atlantic fly into at heathrow
[{'answer': 'Terminal 3', 'provenance': [{'wikipedia_id': '20093186', 'title': 'Heathrow Terminal 3', 'start_paragraph_id': 0, 'start_character': 9, 'end_paragraph_id': 0, 'end_character': 19, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '20093186', 'title': 'Heathrow Terminal 3', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 209, 'bleu_score': 0.890173211813112, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4994762464055814882}, 'section': 'Section::::Usage.\n'}]}]