Question: who discovered that plants were made of cells
[{'answer': 'Parashara', 'provenance': [{'wikipedia_id': '25007304', 'title': 'History of botany', 'start_paragraph_id': 29, 'start_character': 146, 'end_paragraph_id': 29, 'end_character': 155, 'bleu_score': 1.0, 'section': 'Section::::Medieval knowledge.:Medicinal plants of the early Middle Ages.\n'}]}, {'provenance': [{'wikipedia_id': '25007304', 'title': 'History of botany', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4424249182720939825}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '25007304', 'title': 'History of botany', 'start_paragraph_id': 77, 'start_character': 0, 'end_paragraph_id': 77, 'end_character': 495, 'bleu_score': 0.928680631194693, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4424249182720939825}, 'section': 'Section::::Nineteenth-century foundations of modern botany.:Cytology.\n'}]}, {'provenance': [{'wikipedia_id': '25007304', 'title': 'History of botany', 'start_paragraph_id': 29, 'start_character': 0, 'end_paragraph_id': 29, 'end_character': 845, 'bleu_score': 0.9806740509884301, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 4424249182720939825}, 'section': 'Section::::Medieval knowledge.:Medicinal plants of the early Middle Ages.\n'}]}, {'provenance': [{'wikipedia_id': '25007304', 'title': 'History of botany', 'section': 'Section::::Medieval knowledge.:Medicinal plants of the early Middle Ages.\n', 'start_paragraph_id': 29, 'end_paragraph_id': 29, 'meta': {'evidence_span': ['The dicotyledons were further classified into groupings (ganas) akin to modern floral families: "Samiganiya" (Fabaceae), "Puplikagalniya" (Rutaceae), "Svastikaganiya" (Cruciferae), "Tripuspaganiya" (Cucurbitaceae), "Mallikaganiya" (Apocynaceae), and "Kurcapuspaganiya" (Asteraceae).', 'In India simple artificial plant classification systems of the Rigveda, Atharvaveda and Taittiriya Samhita became more botanical with the work of Parashara (c. 400 c. 500 AD), the author of "Vksayurveda"']}}]}]