{
  "question": "How many questions did the user ask?",
  "chat_history": [
    {
      "role": "user",
      "content": "where is the nearest coffee shop?"
    },
    {
      "role": "assistant",
      "content": "I'm sorry, I don't know that. Would you like me to look it up for you?"
    },
    {
      "role": "user",
      "content": "what's the capital of France?"
    },
    {
      "role": "assistant",
      "content": "Paris"
    }
  ]
}