mysql> select screen_name, count(*) from tweets where reply_to != "" group by screen_name having count(*) > 19;
+-----------------+----------+
| screen_name | count(*) |
+-----------------+----------+
| AKIHA_IKEBUKURO | 29 |
| Atelier__Totori | 24 |
| favstar1000_ja | 22 |
| favstar500_ja | 30 |
| fukuoka_wedding | 23 |
| gohoubirannti11 | 41 |
| hibiki_kancolle | 22 |
| Hikawa_Makoto | 27 |
| Itoge314 | 21 |
| KujoHikari | 37 |
| matsukura_d | 21 |
| Miku_TypeLat | 26 |
| MorizonoRicca | 23 |
| osaka_wedding | 22 |
| sn_lbm_425 | 20 |
| stisvc | 28 |
| tikuwapan123 | 20 |
| yoppi_1014 | 20 |
| yukkury | 30 |
| _OgisoSetsuna | 21 |
+-----------------+----------+
20 rows in set (0.29 sec)
