Question: how many weather conditions do we have in ghana
[{'answer': 'two', 'provenance': [{'wikipedia_id': '18855726', 'title': 'Climate of Ghana', 'start_paragraph_id': 3, 'start_character': 47, 'end_paragraph_id': 3, 'end_character': 50, 'bleu_score': 1.0, 'section': 'Section::::Climatology.\n'}]}]