public static String recentChallengesSummary(Statement stmt, int user_id) {
		int rc = recentChallengesCount(stmt, user_id);
		if (rc == 0) {
			return "No Recent Challenges";
		} else if (rc == 1) {
			return "1 Recent Challenge";
		} else {
			return rc + " Recent Challenges";
		}
	}