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)
city in which worldcon was held the year after it was held in yokohama
NN IN WDT NNP VBD-AUX VBN DT NN IN PRP VBD-AUX VBN IN NNP
Denver, Colorado
select c4 from w where c2_number > ( select c2_number from w where c4 = 'yokohama' ) order by c2_number asc limit 1