AlterQuery  t (children 2)
 ExpressionList (children 1)
  AlterCommand ADD_COLUMN (children 1)
   ColumnDeclaration dt (children 2)
    DataType Date
    Function makeDate (children 1)
     ExpressionList (children 3)
      Identifier d.year
      Identifier d.month
      Identifier d.day
 Identifier t
