TeamSpawnConfig.cs
using Sandbox;
using System.Linq;

public sealed class TeamSpawnConfig : Sandbox.Component
{
	public GameObject GetSpawnForTeam( ButtonMasherPlayerController.TeamType team )
	{
		var matchingSpawns = GameObject.Scene.GetAllComponents<TeamSpawnPoint>()
			.Where( s => s.Team == team && s.GameObject.IsValid() )
			.Select( s => s.GameObject )
			.ToArray();

		if ( matchingSpawns.Length == 0 )
			return null;

		if ( matchingSpawns.Length == 1 )
			return matchingSpawns[0];

		return matchingSpawns[Game.Random.Int( 0, matchingSpawns.Length - 1 )];
	}
}