<prompt> Go kgethwa ga mopresidente wa Plaid Cymru ka 1981 go ile gwa swarwa ka morago ga go rola modiro ga Gwynfor Evans, yo a bego a eteletše pele mokgatlo ga e sa le go tloga ka 1945. Dikgetho di ile tša latela bobedi go fenywa ga Evans ka 1979 ka dikgetho tša kakaretšo kua Carmarthen le go fenywa mathomong a ngwaga woo ga lehlakore la Ee ka 1979 ka referendum ya kabo ya matla  <response>: .. le 