Take the West hand below, for this final lesson Deal:
KQ109 
543 
J10 
KQ97
South opens 1 and you ...
Pass
Double
1NT
2
Other
North responds 1NT (it doesn't matter if it is forcing, semi-forcing, almost forcing, 6-10, whatever) and South bids 2.
Now what?
Pass.
Double
2NT.
3
Other.
Everyone passes and it is your lead...
K
Other spade.
Trump.
J
K
Other.
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