Question: what was the religion in persia before islam
[{'answer': 'the Zoroastrian religion', 'provenance': [{'wikipedia_id': '1275748', 'title': 'Muslim conquest of Persia', 'start_paragraph_id': 1, 'start_character': 163, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Zoroastrian', 'provenance': [{'wikipedia_id': '1275748', 'title': 'Muslim conquest of Persia', 'start_paragraph_id': 1, 'start_character': 167, 'end_paragraph_id': 1, 'end_character': 178, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1275748', 'title': 'Muslim conquest of Persia', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 187, 'bleu_score': 0.7611780896356981, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18233271272314630880}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1275748', 'title': 'Muslim conquest of Persia', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The Muslim conquest of Persia, also known as the Arab conquest of Iran, led to the fall of the Sasanian Empire of Iran (Persia) in 651 and the eventual decline of the Zoroastrian religion.', 'The Muslim conquest of Persia, also known as the Arab conquest of Iran, led to the fall of the Sasanian Empire of Iran (Persia) in 651 and the eventual decline of the Zoroastrian religion.', 'and the eventual decline of the Zoroastrian religion']}}]}, {'provenance': [{'wikipedia_id': '14653', 'title': 'Iran', 'section': 'Section::::Abstract.', 'start_paragraph_id': 3, 'end_paragraph_id': 3, 'meta': {'evidence_span': ['Arab Muslims conquered the empire in the seventh century CE, and the subsequent Islamization of Iran led to the decline of the once dominant Zoroastrian religion.', 'Arab Muslims conquered the empire in the seventh century CE, and the subsequent Islamization of Iran led to the decline of the once dominant Zoroastrian religion.', 'decline of the once dominant Zoroastrian religion']}}]}, {'provenance': [{'wikipedia_id': '4426268', 'title': 'Zoroastrians in Iran', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Zoroastrians are the oldest religious community of Iran. Prior to the Muslim conquest of Persia, Zoroastrianism was the primary religion of the Persian Empire.', 'Prior to the Muslim conquest of Persia, Zoroastrianism was the primary religion of the Persian Empire.', 'Prior to the Muslim conquest of Persia, Zoroastrianism was the primary religion of the Persian Empire']}}]}]