Hi,
Given 2 columns of data below:

Group Date
A 5/1/14
A 5/2/14
A 5/3/14
B 5/4/14
B 5/5/14
A 5/6/14
A 5/7/14
A 5/8/14

Can someone show me a fomula to return the 5Th smallest date in group A. In this case, it's 5/7/14. Note: the actual data sheet may contain blank rows.
Thank You so much.