Question: where is the main famine effected continent in the world
[{'answer': 'Africa', 'provenance': [{'wikipedia_id': '51329', 'title': 'Famine', 'start_paragraph_id': 2, 'start_character': 44, 'end_paragraph_id': 2, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '51329', 'title': 'Famine', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 385, 'bleu_score': 0.7407478448012511, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12187395672355890560}, 'section': 'Section::::Abstract.'}]}]