year name city country guests of honor size
year
name
city
country
guests of honor
size
number
number
address
list length list_first list_second
first second first_number second_number
rank number text address text <n,text(text)> number(number)
1st 1939 nycon i new york, new york united states frank r. paul 3,240
(4,200)
what is the last year on the chart ?
WP VBD-AUX DT JJ NN IN DT NN .
2015
select c2 from w order by c2_number desc limit 1