Count in filtered list and display results in table on right of data

I have a long list of delegates attending functions on different dates and need help with 2 problems:
A) List has filters by date/venue etc but I will want the table to be visible even when list is filtered.
B) I am using the following formula to count "=SUMPRODUCT(--($E$3:$E$728="Thursday 3rd September 2009"),SUBTOTAL(3,OFFSET($E$3,ROW($E$3:$E728)-MIN(ROW($E$3:$E$728)),,1)))" and this works but if I filter to another date then 3rd September shows 0.