Question: how many high schools are in grand rapids michigan
[{'answer': 'City High Middle School', 'provenance': [{'wikipedia_id': '7275337', 'title': 'Grand Rapids Public Schools', 'start_paragraph_id': 16, 'start_character': 429, 'end_paragraph_id': 16, 'end_character': 452, 'bleu_score': 1.0, 'section': 'Section::::Schools.\n'}]}, {'answer': 'Innovation Central High School', 'provenance': [{'wikipedia_id': '7275337', 'title': 'Grand Rapids Public Schools', 'start_paragraph_id': 55, 'start_character': 12, 'end_paragraph_id': 55, 'end_character': 42, 'bleu_score': 1.0, 'section': 'Section::::Schools.:High schools.\n'}]}, {'answer': 'Ottawa Hills High School', 'provenance': [{'wikipedia_id': '7275337', 'title': 'Grand Rapids Public Schools', 'start_paragraph_id': 56, 'start_character': 12, 'end_paragraph_id': 56, 'end_character': 36, 'bleu_score': 1.0, 'section': 'Section::::Schools.:High schools.\n'}]}, {'answer': 'Union High School', 'provenance': [{'wikipedia_id': '7275337', 'title': 'Grand Rapids Public Schools', 'start_paragraph_id': 57, 'start_character': 12, 'end_paragraph_id': 57, 'end_character': 29, 'bleu_score': 1.0, 'section': 'Section::::Schools.:High schools.\n'}]}, {'answer': 'University Prep Academy', 'provenance': [{'wikipedia_id': '7275337', 'title': 'Grand Rapids Public Schools', 'start_paragraph_id': 58, 'start_character': 12, 'end_paragraph_id': 58, 'end_character': 35, 'bleu_score': 1.0, 'section': 'Section::::Schools.:High schools.\n'}]}]