I bid 3C to try to keep them out of a red suit and to play 3C rather than 2S. This worked out well; partner held
Q9x immaterial immaterial J (I think he had some detritus in the reds, but not much, maybe just the diamond jack... 5 hearts 4 diamonds I think?)
When I bid 3C, it actually went pass pass double. I got the jack of spades lead and made an overtrick.
Also, a note: from now on, we will be resolving problems in the comments, and posting short notes in future entries saying that the problems have been resolved.