SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Subquery (alias s) (children 1)
     SelectWithUnionQuery (children 1)
      ExpressionList (children 1)
       SelectQuery (children 2)
        ExpressionList (children 1)
         Function CAST (alias s) (children 1)
          ExpressionList (children 2)
           Function sum (children 1)
            ExpressionList (children 1)
             Identifier number
           Literal \'String\'
        TablesInSelectQuery (children 1)
         TablesInSelectQueryElement (children 1)
          TableExpression (children 1)
           Function numbers (children 1)
            ExpressionList (children 1)
             Literal UInt64_4
   ExpressionList (children 2)
    Asterisk
    Identifier s
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function format (children 1)
       ExpressionList (children 2)
        Identifier TSVRaw
        Identifier s
   Set
