Update agent.py

agent.py

@@ -86,6 +86,7 @@ def initialize_agent(_cfg, update_func):
       and make separate calls to the ask_vehicles or ask_policies tool to answer each sub-question,
       then combine the answers to provide a complete response.
     - Use the database tools to answer analytical questions.
+      Always get the first few rows of the table first to figure out the format of columns and their values before trying to answer the user's question.
     - Never discuss politics, and always respond politely.
     """