Which "One liners" do you think most beg for an explanation ?

[Kate]

No: HPFGUIDX 131154


Saraquel:
<SNIP>
> Whilst reading the books, I've come across a few "one liners" which 
> have always puzzled me - as in, "why put in that detail?"  



One that has always stuck out to me was when Hermione is trying to 
nail Rita Skeeter in GOF and she looks up the registered animagi.  She 
says "there have only been 6 this century" or something to that 
effect.  Besides McGonagall, who are the others?  Hermione never tells 
us.  


Kate.