Question: how did france try to protect its land claims in the ohio river valley
[{'answer': 'built Fort Duquesne', 'provenance': [{'wikipedia_id': '159828', 'title': 'New France', 'start_paragraph_id': 121, 'start_character': 589, 'end_paragraph_id': 121, 'end_character': 608, 'bleu_score': 1.0, 'section': 'Section::::Military conflicts.:French and Indian War.\n'}]}, {'provenance': [{'wikipedia_id': '159828', 'title': 'New France', 'start_paragraph_id': 121, 'start_character': 0, 'end_paragraph_id': 121, 'end_character': 759, 'bleu_score': 0.94562645577806, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 174958715271477268}, 'section': 'Section::::Military conflicts.:French and Indian War.\n'}]}]