What is the name of the browser that became compatible with the accelerator 'CProxy' after year 1998 ?
select t1.name from browser as t1 join accelerator_compatible_browser as t2 on t1.id = t2.browser_id join web_client_accelerator as t3 on t2.accelerator_id = t3.id where t3.name = 'CProxy' and t2.compatible_since_year > 1998