SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function maxIf (alias number) (children 1)
     ExpressionList (children 2)
      Function CAST (children 1)
       ExpressionList (children 2)
        Identifier number
        Literal \'Nullable(String)\'
      Function less (children 1)
       ExpressionList (children 2)
        Identifier number
        Literal UInt64_10
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 2)
        Literal UInt64_10
        Literal UInt64_1000