SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function JSON_QUERY (children 1)
     ExpressionList (children 3)
      Literal \'{"x":1}\'
      Literal \'$[\\\'hello\\\']\'
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toLowCardinality (children 1)
         ExpressionList (children 1)
          Literal \'x\'
