SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 3)
    Function JSONExtract (alias x) (children 1)
     ExpressionList (children 2)
      Literal \'{"hello":[{"world":"wtf"}]}\'
      Literal \'Tuple(hello Array(Tuple(world String)))\'
    Identifier x.hello
    Function tupleElement (children 1)
     ExpressionList (children 2)
      Function arrayElement (children 1)
       ExpressionList (children 2)
        Identifier x.hello
        Literal UInt64_1
      Literal \'world\'
