Generate a correct and concise answer for the question based on the words in the context.

Q: Context : The Roviana rail (Gallirallus rovianae) is a species of bird in the family Rallidae. 
Question : Is the taxon rank of Roviana rail species or genus?

A: species
****
Q: Context : Sigmund Selberg (11 August 1910 -- 20 April 1994) was a Norwegian mathematician. 
Question : What was Sigmund Selberg's occupation?

A: mathematician
****
Q: Context : Fiona Coghlan (b. March 3, 1981) is a former Irish female rugby union player. 
Question : Which gender is Fiona Coghlan?

A:
female
****