500
                            The number of nouns in these sentences: There is also, apparently, a Polish novel, Gates of Paradise, with a 40,000 word sentence. I have been unable so far to find absolute confirmation on an author. Bramy Raju, written by Jerzy Andrzejewski, and published in 1960, translates as Gates of Paradise, but it has been described as a novella. 
                            What is ten?