question:
The savannah zone's three categories are Guinean forest-savanna mosaic, Sudan savannah, and Sahel savannah.
How many subregions are there of Nigeria's savannah zone?

answer: yes

question:
However, both the Washington Post and the Washington Times reported that Powell simply fell in line, signing a brief written by someone else.
Who was the official that accused UNFPA?

answer: no

question:
The next month, Barcelona announced the formation of a new Football Area Technical Commission, made up of vice-president Jordi Mestre, board member Javier Bordas, Carles Rexach and Ariedo Braida.
To whom did Barcelona appeal to lift the transfer bad?

answer: no

question:
After the Battle of Peshawar, he committed suicide because his subjects thought he had brought disaster and disgrace to the Shahi dynasty.
Who was the ruler of Ghazni?

answer:
no