what is the show which opens with liang wern fook and liang wern fook ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_openingTheme dbr_Liang_Wern_Fook sep_dot var_uri dbo_openingTheme dbr_Liang_Wern_Fook sep_dot var_uri a dbo_TelevisionShow brack_close