Cannot query data on private repo through explorer

{
  repository(name: "some-repo", owner: " ****") {
    pullRequest(number: 15730) {
      title
    }
  }
}

If im assgining _name _and _owner _to my private organization name and some private repo name

Im getting 

"message": "Could not resolve to a Repository with the name 'some-repo'.

I have athourized GitHub explorer: