Perhaps this seems easy when posed as a problem, but evaluating a small hand is always difficult at the table. S.J Simon advocated asking how much worse you could be. By that standard, you have good trumps for a partner who seems to fit you with red suits well in hand and a strong side suit in spades.

Your bid of 6Club Graphic works well when partner produces Spade Graphic A K J 5 3 2 Heart Graphic A K Diamond Graphic A Club Graphic K 5 3 2

The play was challenging after a good duck of the trump ace by the opponents, but Jacob timed it well and brought in the slam. You regained the lead with six boards to play.