name the tv show whose opening theme is k . s . chithra and the subsequent work is megala ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_openingTheme dbr_K._S._Chithra sep_dot var_uri dbo_subsequentWork dbr_Megala_ attr_open TV_series attr_close sep_dot var_uri a dbo_TelevisionShow brack_close