/// <summary>
/// Finds people based on the given arguments.
/// </summary>
/// <param name="firstname">The firstname.</param>
/// <param name="initial">The middle initial.</param>
/// <param name="lastname">The lastname.</param>
/// <param name="phonenumber">The phonenumber.</param>
/// <param name="hcn">The health card number/</param>
/// <returns>All people who match</returns>
public object FindPerson(string firstname, char?initial, string lastname, string phonenumber, string hcn)
{
return(people.Find(firstname, initial, lastname, phonenumber, hcn).FirstOrDefault());
}