IMP teams, both vul. You are South. The opponents bid 1♣-1♥-2♣-2NT-3NT. Partner leads ♠7 (attitude). Down comes dummy:
You play upside-down count and attitude, and Smith.
(1) What do you play at trick 1?
(2) Whatever you play, declarer contributes a small spade from his hand, then leads a club off dummy. Your king wins, declarer playing ♣8, partner playing ♣3.
What do you lead and why?
Benefits include:
Plus... it's free!