7889 was given on the 23rd August 2009, Sunday. It was on the 4th consecutive rounds ( exactly 1 week) that show at least hitting 3 numbers on TOP 3 , which is the worst case scenario standard of "Kumantong 4D Power".
From the hint from Kumantong , you may now able to know which set of previous 4D given by Oil Bottle Kumantong gonna hit on coming Wednesday.