The contract was 4 hearts. At one table (with a diamond lead) declarer won the ace, pulled 3 rounds of trump and exited a diamond won by LHO. A club was returned, and the declarer correctly spurned the finesse by playing A and K of clubs, ruffing a diamond, and when the Q of clubs didn't appear exited a club. When the Q of clubs was with the A of spades the declarer made.
The question is: if the RHO had won the first diamond exit and led a club, should the finesse be spurned or not? If the Jack is inserted and loses, one can still play clubs, ruff out diamonds and exit a club--but the opponents may be able to unblock (if clubs are 4-3) and arrange the non A of spades hand to be on lead. Any thoughts?

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