<prompt> Bhala ukuqhubeka kwalesi sigaba - UThewliss waphefumulelwa ukuba ajoyine i-SNP eneminyaka eyishumi nesikhombisa ubudala kulandela inhlolovo yaseScotland ka-1997  <response>: . futhi. Wayemncane kakhulu ukuthi angavota ku-referendum, kodwa wenza inhlolovo yokuphuma esiteshini sokuvota njengengxenye yephrojekthi ye-Modern Studies, eyamenza waxhumana nabamele amaqembu ezombusazwe aseScotland. Ngenkathi esafunda, wabandakanyeka ekufuneni i-SNP okhethweni lwePhalamende laseScotland lwango-2003. Ezinyangeni ezimbalwa kamuva, waqashwa njengomcwaningi weBruce McFee MSP. Ngesikhathi uMcFee enquma ukungafuni ukhetho ngo-2007, iqembu lalifuna abazongenela ukhetho lwasekhaya. UThewliss wavuma ukumela iCalton ward okhethweni loMkhandlu Wedolobha laseGlasgow ngo-2007 olusebenzisa uhlelo olusha lwamalungu amaningi, futhi wayengomunye wabaqokelwe i-SNP abangu-19 abathola izihlalo ezazigcinwe ngaphambili ngabeluleki baseScottish Labour ngaphansi kohlelo lwangaphambilini lwamalungu owodwa. Wabuye wakhethwa ngo-2012, kodwa washiya phansi njengekhansela ngemuva kokukhethwa njengePhalamende laseGlasgow Central okhethweni olujwayelekile lwango-2015. 