Question: how many countries are us troops in right now
[{'answer': 'Afghanistan , Iraq and Syria'}, {'provenance': [{'wikipedia_id': '2455175', 'title': 'United States military deployments', 'start_paragraph_id': 2, 'start_character': 0, 'end_paragraph_id': 2, 'end_character': 275, 'bleu_score': 0.7078764540922471, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6188660620620864659}, 'section': 'Section::::Abstract.'}]}]