human
Schema:
Web_client_accelerator (id, name, Operating_system, Client, Connection)
browser (id, name, market_share)
accelerator_compatible_browser (accelerator_id, browser_id, compatible_since_year)
Please answer with SQL.
assistant
Sure, I understand.
human
How many times did CACHEbox and Internet Explorer become compatible?
assistant
SELECT COUNT( * ) 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';
human
What year did they become compatible?
assistant
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" ;