Question: when did the battle of badr take place
[{'answer': '13 March 624', 'provenance': [{'wikipedia_id': '423951', 'title': 'Battle of Badr', 'start_paragraph_id': 1, 'start_character': 42, 'end_paragraph_id': 1, 'end_character': 54, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Tuesday , 13 March 624 CE'}, {'answer': '13 March 624 CE ( 17 Ramadan , 2 AH in the Islamic calendar )'}, {'answer': 'Tuesday , 13 March 624 CE ( 17 Ramadan , 2 AH in the Islamic calendar )'}, {'provenance': [{'wikipedia_id': '423951', 'title': 'Battle of Badr', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 829, 'bleu_score': 0.9558394390570231, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4900810983399131906}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '423951', 'title': 'Battle of Badr', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ["The Battle of Badr (), fought on Tuesday, 13 March 624 CE (17 Ramadan, 2 AH in the Islamic calendar) in the Hejaz region of western Arabia (present-day Saudi Arabia), was a key battle in the early days of Islam and a turning point in Muhammad's struggle with his opponents among the Quraish in Mecca", "The Battle of Badr (), fought on Tuesday, 13 March 624 CE (17 Ramadan, 2 AH in the Islamic calendar) in the Hejaz region of western Arabia (present-day Saudi Arabia), was a key battle in the early days of Islam and a turning point in Muhammad's struggle with his opponents among the Quraish in Mecca.", "The Battle of Badr (), fought on Tuesday, 13 March 624 CE (17 Ramadan, 2 AH in the Islamic calendar) in the Hejaz region of western Arabia (present-day Saudi Arabia), was a key battle in the early days of Islam and a turning point in Muhammad's struggle with his opponents among the Quraish in Mecca."]}}]}]