SELECT *
FROM (
SELECT a.fecha_cortada,a.hora_cortada,LEFT(a.description,2) description, count(1) total_registro
FROM sstk_ssmaip a
INNER JOIN tabla_codigo_siplink_IC b ON a.siplink = b.siplink_index AND b.central = 'SSMAIP'
WHERE REPLACE(a.fecha_cortada, ' ', '') >= REPLACE(DATE_FORMAT(DATE_SUB(NOW(),INTERVAL 7 DAY),'%b %e'), ' ', '')
AND REPLACE(a.fecha_cortada, ' ', '') <= REPLACE(DATE_FORMAT(now(),'%b %e'), ' ', '')
AND LEFT(a.description,2) = 'IC'
GROUP BY a.fecha_cortada,a.hora_cortada,LEFT(a.description,2)