SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function sipHash64 (children 1)
     ExpressionList (children 2)
      Identifier number
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'42\'
        Literal \'Variant(UInt64, String)\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
