a referendum to secede from the region
... that the government of Ethiopia's SNNP Region supported local governments calling for a referendum to secede from the region?
... that the government of Ethiopia's <a href="./Southern_Nations,_Nationalities,_and_Peoples'_Region" id="mwAUM" rel="mw:WikiLink" title="Southern Nations, Nationalities, and Peoples' Region">SNNP Region</a> supported local governments calling for <b id="mwAUQ"><a href="./2023_South_Ethiopia_Region_referendum" id="mwAUU" rel="mw:WikiLink" title="2023 South Ethiopia Region referendum">a referendum to secede from the region</a></b>?