name the tv show whose opening theme is rocío dúrcal and the subsequent work is la casa en la playa ?
SELECT DISTINCT var_uri where brack_open var_uri dbo_openingTheme dbr_Rocío_Dúrcal sep_dot var_uri dbo_subsequentWork dbr_La_casa_en_la_playa sep_dot var_uri a dbo_TelevisionShow brack_close