code: def get_data():
      
  
      output = []
      tables = get_tables()
      for table in tables:
          try:
              columns = get_columns(table)
          except sa.exc.NoSuchTableError:
              continue
  
          for column in columns:
              if column['name'] == 'tenant_id':
                  output.append((table, column))
  
      return output
docs: Returns combined list of tuples: [(table, column)].
  
      List is built, based on retrieved tables, where column with name
      ``tenant_id`` exists.