Question: who was the first ghost to visit scrooge
[{'answer': "Marley 's ghost", 'provenance': [{'wikipedia_id': '73670', 'title': 'A Christmas Carol', 'start_paragraph_id': 9, 'start_character': 41, 'end_paragraph_id': 9, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Plot.:Stave one.\n'}]}, {'provenance': [{'wikipedia_id': '73670', 'title': 'A Christmas Carol', 'start_paragraph_id': 9, 'start_character': 0, 'end_paragraph_id': 9, 'end_character': 348, 'bleu_score': 0.7092187570767371, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4037022911299251972}, 'section': 'Section::::Plot.:Stave one.\n'}]}]