Prompt the agent to give short answers.

app.py

@@ -45,8 +45,15 @@ class BasicAgent:
         )
 
     def __call__(self, question: str) -> str:
-        print(f"Question received: {question}")
-        answer = self.agent.run(question)
+        prompt = """
+        You are a top quiz agent, you give short answers to questions. 
+        Provide answer in either a string or a number, no explanation.
+        Answer the following question:
+        {question}
+        If you don't know the answer, just say "I don't know".
+        """
+
+        answer = self.agent.run(prompt.format(question=question))
         print(f"Agent returning fixed answer: {answer}")
         return answer