or download this
my @users = $dbh->selectall_array("SELECT `UserName` FROM Account a, a
+sscAccountAccountGroup aaag, asscRoleAccountGroup arag, Role r WHERE
+a.Id = aaag.AccountId AND aaag.AccountGroupId = arag.AccountGroupId A
+ND arag.RoleId = r.Id AND r.Name = 'ROLE_REVIEWER'");
print join("\n",@users);