Question: when do the light reactions of photosynthesis occur
[{'answer': 'in photosystem II', 'provenance': [{'wikipedia_id': '23982752', 'title': 'Light-dependent reactions', 'start_paragraph_id': 2, 'start_character': 176, 'end_paragraph_id': 2, 'end_character': 193, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '23982752', 'title': 'Light-dependent reactions', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 843, 'bleu_score': 0.9659246927162931, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 11379384351656324264}, 'section': 'Section::::Abstract.'}]}]