SELECT T1.compatible_since_year FROM accelerator_compatible_browser AS T1 JOIN browser AS T2 ON T1.browser_id  =  T2.id JOIN web_client_accelerator AS T3 ON T1.accelerator_id  =  T3.id WHERE T3.name  =  'CACHEbox' AND T2.name  =  'Internet Explorer'
When did the web accelerator 'CACHEbox' and browser 'Internet Explorer' become compatible?
SELECT T1.compatible_since_year FROM accelerator_compatible_browser AS T1 JOIN browser AS T2 ON T1.browser_id = T2.id JOIN web_client_accelerator AS T3 ON T1.accelerator_id = T3.id WHERE T3.name = 'CACHEbox ' AND T2.name = 'Internet Explorer '
select t1 . compatible_since_year from accelerator_compatible_browser as t1 join browser as t2 on t1 . browser_id = t2 . id join web_client_accelerator as t3 on t1 . accelerator_id = t3 . id where t3 . name = value and t2 . name = value
When did the web accelerator 'CACHEbox ' and browser 'Internet Explorer ' become compatible ?