public void CreateSweepstake()
        {
            SweepStakes sweepStakes = new SweepStakes(UserInterface.DecideSweepstakesName());

            //Register contestants
            int numberOfContestants = UserInterface.ChooseHowManyContestantsToRegister();

            for (int i = 0; i < numberOfContestants; i++)
            {
                UserInterface.Display($"Please enter contestant {i + 1}'s info: ");
                sweepStakes.RegisterContestant(new Contestant(UserInterface.ContestantFirstName(), UserInterface.ContestantLastName(), UserInterface.ContestantEmail(), UserInterface.ContestantRegistrationNumber()));
                UserInterface.ClearConsole();
            }
            _manager.InsertSweepstakes(sweepStakes);
        }