Question: how many languages are there in the south african national anthem
[{'answer': 'five', 'provenance': [{'wikipedia_id': '30944', 'title': 'National anthem of South Africa', 'start_paragraph_id': 4, 'start_character': 195, 'end_paragraph_id': 4, 'end_character': 199, 'bleu_score': 1.0, 'section': 'Section::::Structure.\n'}]}, {'provenance': [{'wikipedia_id': '30944', 'title': 'National anthem of South Africa', 'start_paragraph_id': 4, 'start_character': 4, 'end_paragraph_id': 4, 'end_character': 665, 'bleu_score': 0.8165830746554781, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 89263344040674813}, 'section': 'Section::::Structure.\n'}]}]