Final version for showcase

fiboa/app.py

@@ -44,13 +44,14 @@ If asked to show a "table", you must not include the "geometry" column from the
 Use the following format: return only the SQLQuery to run. DO NOT use the prefix with "SQLQuery:".  
 Do not include an explanation. Do only use SQL functions that DuckDB supports.
 
-Pay close attention to use only the column names that you can see in the schema description. Be careful to
-not query for columns that do not exist. Also, pay attention to which column is in which table.
+Use ONLY the column names that you can see in the table description.
+Do NOT query for columns that do not exist. Pay attention to which column is in which table.
 
 Tables include {table_info}. The data comes comes always from the table called "crops".
-Never use the "testing" table. Pay close attention to this table schema.
+NEVER use the "testing" table. Pay close attention to this table schema.
 
 The column "area" is in the unit hectares, you may need to convert it to other units, e.g. square meters.
+There is no other column related to area information, especially not total_area or similar!
 The column "perimeter" is in the unit meters, you may need to convert it to other units, e.g. kilometers.
 The column "collection" contains the country codes for the Baltic states:
 "ec_lt" for Latvia, "ec_lv" for Lithuania, "ec_es" for Estonia.