code: def use_statement(self, tree):
      for child in tree.children:
          if isinstance(child, Tree):
              if child.data == "database_name":
                  database_name = self.visit(child)
              if child.data == "query_string":
                  query_string = self.visit(child)
      return UseStatement(database_name, query_string)
  
label_desc: Use image node_id 1 for calling the Use obj's underlying member method code with example usage: obj.use_statement(tree) and returns: UseStatement