Someone

mysql> select channum, freqid, sourceid from channel where channum in (6, 7, 19, 20, 21, 22);
+---------+--------+----------+
| channum | freqid | sourceid |
+---------+--------+----------+
| 7       | 7      |        1 |
| 20      | 20     |        1 |
| 6       | 6      |        1 |
| 19      | 19     |        1 |
| 21      | 21     |        1 |
| 22      | 22     |        1 |
+---------+--------+----------+
6 rows in set (0.04 sec)