Task: Question Generation
Input (English): Since independence Namibia has successfully completed the transition from white minority apartheid rule to parliamentary democracy. Multiparty democracy was introduced and has been maintained, with local, regional and national elections held regularly. Several registered political parties are active and represented in the National Assembly, although the Swapo Party has won every election since independence. The transition from the 15-year rule of President Sam Nujoma to his successor Hifikepunye Pohamba in 2005 went smoothly.
Output (English): How long did president Same Nujoma rule?