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♠
Dbl2♠3♥All 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.