<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?rais teodoro obiang ameongoza equatorial guinea, nchi yenye utajiri wa mafuta, kwa mabavu, tangu alipompindua mjomba ake, mwaka wa 1979.  <response>: mbasogo has ruled equatorial guinea, an oil-rich but population-poor country, since 1979. 