Larry's Bidding

Hand #1126

South Deals, None vul, IMPs

You are South. What is your call on the following auction?

 Q  
 AQ10  
 A10863  
 AK52
 

West	North	East	South
			1
1	1	2	3
3	3	Pass	3NT
Pass	Pass	DBL	Pass
Pass	4	Pass	?