HTML5 SVG + ASP MVC Web API

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Http;
using System.Web.Mvc;
using CountryProject.Models;

namespace CountryProject.Controllers
{
    public class ContinentsController : ApiController
    {
        //GET /geography/continents
        public IQueryable<Continent> Get()
        {
            return Geography.Continents.AsQueryable();
        }

        //GET /geography/continents/{id}
        public Continent Get(string id)
        {
            Continent continent = Geography.Continents.Where(c => string.Compare(c.Name, id, true) == 0).Single();
            return continent;
        }

        //GET /geography/continents/{continentID}/countries
        public IQueryable<Country> GetCountries(string continentID)
        {  
            Continent continent = Geography.Continents.Where(c => string.Compare(c.Name, continentID, true) == 0).Single(); 
            return continent.Countries.AsQueryable();
        }
    }
}