CreateQuery region (children 3)
 Identifier region
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration r_regionkey (children 1)
    DataType Int32
   ColumnDeclaration r_name (children 1)
    DataType String
   ColumnDeclaration r_comment (children 1)
    DataType String
 Storage definition (children 1)
  Identifier r_regionkey
