Question: where was crocodile episode on black mirror filmed
[{'answer': 'Iceland', 'provenance': [{'wikipedia_id': '55024666', 'title': 'Crocodile (Black Mirror)', 'start_paragraph_id': 2, 'start_character': 10, 'end_paragraph_id': 2, 'end_character': 17, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'the Harpa concert hall', 'provenance': [{'wikipedia_id': '55024666', 'title': 'Crocodile (Black Mirror)', 'start_paragraph_id': 15, 'start_character': 62, 'end_paragraph_id': 15, 'end_character': 84, 'bleu_score': 1.0, 'section': 'Section::::Production.\n'}]}, {'provenance': [{'wikipedia_id': '55024666', 'title': 'Crocodile (Black Mirror)', 'start_paragraph_id': 15, 'start_character': 0, 'end_paragraph_id': 15, 'end_character': 434, 'bleu_score': 0.972407137066537, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 5870513113680972084}, 'section': 'Section::::Production.\n'}]}]