I don't know how other people do these, but I went across a mental map. When you do that and say to yourself "Astana," and then carry on, you're in trouble.
I wonder if this is the hardest letter. It's got tough ones to spell; relatively obscure ones; recently changed ones; and one that's recently be renamed.
Indeed. The way the instructions are given, it sounds like you're asking for the countries that start with N, and name the capital cities of those. You need to specify you want the world capitals that start with N.