How are you naming the genders? This may be what is causing you problems, for instance if you are naming your fields male and female, then both field actually contain the word male.
Do you have different values for the gender field? If so, check out this thread to see if the change will help:
Subject: Re: Top Ten by Gender for Johnsonny
ozozgur 23-Jun-00
Thread Reference: http://gossamer-threads.com/p/86392
If that does help, please provide more information and perhaps a link to your database so others can see the results you are getting.
Unoffical DBMan FAQ
http://webmagic.hypermart.net/dbman/
Do you have different values for the gender field? If so, check out this thread to see if the change will help:
Subject: Re: Top Ten by Gender for Johnsonny
ozozgur 23-Jun-00
Thread Reference: http://gossamer-threads.com/p/86392
If that does help, please provide more information and perhaps a link to your database so others can see the results you are getting.
Unoffical DBMan FAQ
http://webmagic.hypermart.net/dbman/