Update chatbot-gradio.py

chatbot-gradio.py

@@ -135,6 +135,7 @@ class NL2SQLPlugin:
             - For exact matches use: WHERE c.[field] = value
             - For ranges use: WHERE c.[field].min = X AND c.[field].max = Y
             - Check for dimmability support by using either != "NOT DIMMABLE" or = "NOT DIMMABLE"
+            - Do not use subqueries 
             - Do not use AS and cast key names
             - For lamp compatibility: Use WHERE IS_DEFINED(c.lamps["lamp_name"]) to check if a specific lamp is supported, or WHERE IS_DEFINED(c.lamps) for any lamp support.