re-add FROM clause

app.py

@@ -81,6 +81,11 @@ def talk_to_llm(user_prompt):
     astrometric_excess_noise<=2)
     ```
 
+    Here is the preferred structure for the FROM clause:
+    ```
+    FROM gaiadr3.gaia_source
+    ```
+    
     Bounds on Parallax: Always include bounds on parallax in the 'WHERE' clause. This is 
     important as it helps in retrieving stars within a specified 3D region of space.