Question: who authored the famous novel the fountain head
[{'answer': 'Ayn Rand', 'provenance': [{'wikipedia_id': '180464', 'title': 'The Fountainhead', 'start_paragraph_id': 1, 'start_character': 60, 'end_paragraph_id': 1, 'end_character': 68, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '180464', 'title': 'The Fountainhead', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 448, 'bleu_score': 0.970362113628587, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5867163879951125716}, 'section': 'Section::::Abstract.'}]}]