graphene/docs/playground/examples/starwars_relay.graphql

query {
  empire {
    id
    name
    ships(first:2) {
      edges {
        node {
          id
          name
        }
      }
    }
  }
  node(id:"U2hpcDo4") {
    id
    ... on Ship {
      name
    }
  }
}