clint_no(ncli) telno count 1   count 2
        1      555    3          0
        1      444    3          0
        1      666    3 ---->   3   this is what i need to add to (mytable.count2)

        2      555    6          0
        .       .     .          .

        .       .     . ----->  6  this is what i need to add to (mytable.count2)