GraphQL Query - How to Access the Title Value for a String that has Predefined Options Specified

export default {
  title: 'Book',
  name: 'book',
  type: 'document',
  fields: [
    {
      title: 'Author',
      name: 'author',
      type: 'string',
    }, {
      title: 'Genre',
      name: 'genre',
      type: 'string',
      options: {
        list: [
          { title: 'Non-Fiction', value: 'non_fiction' },
          { title: 'Sci-Fi', value: 'sci_fi' },
        ],
      },
    },
  ],
}

query {
  _id
  author
  genre
}