private static string GetWinnerTable(IEnumerable<Winner> winners)
{
var table = "<table>";
table += "<tr><th>Name</th><th>Number of spots won</th></tr>";
table = winners.Aggregate(table, (current, winner) =>
current + string.Format("<tr><td>{0}</td><td>{1}</td></tr>",
winner.User.Name,
winner.NumberOfSpotsWon));
table += "</table>";
return table;
}