Based on what I know from working in francophone parts of Africa for aid organisation(s) and ongoing information you might be pleased that most likely like Helen Clark she would be "disqualified " by the lack of the french language...........
Quote
(Fluency in English and French
The Secretary-General should be able to speak both English and French. The requirement to speak French is enforced by the veto power of France,[17] although it has abstained in some selections.
In 1971, Max Jakobson was not supported by France because of his inability to speak French.[18] The Finnish delegation accused the French of vetoing him in the first round of voting, but the French actually abstained.[19])
https://en.wikipedia.org/wiki/United...eral_selection