<prompt> tafadhali geuza maudhui haya ya swahili kwenda kwa kiingereza.ifuatayo ni orodha ya wakuu wa nchi wa guinea tangu nchi imekuwa huru kutoka kwa ufaransa mnamo 1958.  <response>: the following is a list of heads of state of equatorial guinea, since the country gained independence from francoist spain in 1968. 