Resolve "Create a rule that gets the construction date from cadaster data for Tabula dataset."

Closes #20 (closed)

\approve @ds @laurens @chengzhi

building/02_process/tabula/date_from_valencian_cadaster/date_from_valencian_cadaster.py

-# Copyright (c) 2023-2024:
+# Copyright (c) 2024:
 #   Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum GFZ
 #
 # This program is free software: you can redistribute it and/or modify it
@@ -38,14 +38,14 @@ class DateFromValencianCadasterRule(AbstractRule):
                 formatted string wrapped in the `ST_GeomFromText()` function.
 
         Returns:
-            Integer that represents the building's construction year.
+            Integer that represents the building's year of construction.
 
         """
 
         sql_statement = f"""
             SELECT construction_year
             FROM Parcels
-            INNER JOIN cadaster_buildings USING parcel_id
+            INNER JOIN cadaster_buildings USING(parcel_id)
             WHERE ST_Intersects({geometry}, Parcels.geom)
             """
         database.cursor.execute(sql_statement)