Question: who played the mountain in season 1 of game of thrones
[{'answer': 'Australian actor Conan Stevens', 'provenance': [{'wikipedia_id': '1316115', 'title': 'Gregor Clegane', 'start_paragraph_id': 3, 'start_character': 70, 'end_paragraph_id': 3, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1316115', 'title': 'Gregor Clegane', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 257, 'bleu_score': 0.9517713210466091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7691994404891421758}, 'section': 'Section::::Abstract.'}]}]