I will play a spade to the queen. If they take it I likely have 9 tricks so let's assume the queen wins.
I then play a club to the jack. A brilliant east might hop up with the queen, but likely my jack will lose to west who can't attack hearts. I should be able to set up clubs before the set up hearts.
Please note: I am interested in boring, bog standard, 2/1.
I do it stupid, i.e. I am going after 5 diamond tricks
(diamond 3-3 or 4-2 with the jack doubleton)
playing to get 2 spades, 2hearts and 5 diamonds,
i.e. lead the kind of spades, driving out the ace.
I am more stupid than you! I play a club to the ten after winning the heart lead. Or maybe run the club J. Oh well it's complex! :-)
I don't want to be trapped in dummy that's all I know :-)
North South
1♠
2♦ 2♠
3♣ 3NT
Pass
Lead: ♥2
East plays the ♥J