Question : Sumproduct problem

I need to return 3, but it returns 0: =SUMPRODUCT((D6:D1000="C")*(e6:e1000>="4"))
Can somebody help?

D      E
C      3.3
C      6.7
C      4.8
C      3.9
C      3.5
C      3.7
B      4.6
C      4.3
B      6.9
C      3.5
B      3.8
B      5.5
B      4.7
C      2.3
C      2.3
C      3.8
B      3.8

Answer : Sumproduct problem

try

=SUMPRODUCT((D6:D1000="C")*(E6:E1000>=4))

Dave