Question: how do you qualify for american express black card
[{'answer': 'invitation - only', 'provenance': [{'wikipedia_id': '26747651', 'title': 'Centurion Card', 'start_paragraph_id': 7, 'start_character': 22, 'end_paragraph_id': 7, 'end_character': 43, 'bleu_score': 1.0, 'section': 'Section::::Features.:Availability and fees.\n'}]}, {'provenance': [{'wikipedia_id': '26747651', 'title': 'Centurion Card', 'start_paragraph_id': 7, 'start_character': 0, 'end_paragraph_id': 7, 'end_character': 341, 'bleu_score': 0.9632870032952191, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7367125583276464307}, 'section': 'Section::::Features.:Availability and fees.\n'}]}]