This is from "Inspired Cardplay", by Bird and Hoffman.

AJ4
AKQ53
1042
J2

KQ1065
7
K6
AK1086

You are in 6 spades. Lefty has overcalled an unusual no trump (at favorable vulnerability), suggesting at least 5-5 in the minors. The opening lead is the 2 of hearts.

Discussion/Answer