So, do you have Regional Sales Florida in cell c41?
If so, then:
=COUNTIF($I$51:$I$253,VLOOKUP(B41,B:C,2,0))+COUNTIF('TSection'!$I:$I,VLOOKUP(B41,B:C,2,0))+COUNTIF('BSection'!$I:$I,VLOOKUP(B41,B:C,2,0))
would look for regional Sales florida in the mentioned ranges.
Otherwise, may need to adjust.