Det finns redan några bättre och professionella svar, men det här är bäst för att förstå vad som händer
SELECT subname,
(SELECT subscribers
FROM reports_subreport
WHERE country ='1' AND mp='0'
AND date ='2013-10-15'
AND NOT(subname LIKE '%Test%')
ORDER BY site,subname LIMIT 1) AS sub1,
(SELECT subscribers
FROM reports_subreport
WHERE country ='1' AND mp='0'
AND date ='2013-10-08'
AND NOT(subname LIKE '%Test%')
ORDER BY site,subname LIMIT 1) AS sub2,
FROM reports_subreport WHERE country ='1' AND mp='0'
AND date ='2013-10-15' AND NOT(subname LIKE '%Test%')
ORDER BY site,subname