Takeout Doubles

Board 7
South Deals
Both Vul
A Q 8 6
4
7 6 3 2
9 5 3 2
10 9
K Q 10 9
K Q 5
Q J 7 6
N
WE
S
7 4
A 8 6 5 3
J 10 9 4
A 4
K J 5 3 2
J 7 2
A 8
K 10 8
WestNorthEastSouth
   1
Dbl23All pass

3 by East

This should be a competitive auction. NS bidding spades and EW bidding hearts.
.
Play the hand twice in spades and hearts.
Both contracts should make 9 tricks.
Lead is K against spades and the a low spade against a heart contract.