record athlete nation venue date #
record
athlete
nation
venue
date
#
first second first_number second_number
address
number parsed year month day
number
unitnum(unitnum) text text address date number
4.05 m (13 ft 31⁄4 in) sun caiyun china nanjing, china 21 may 1992 1
what is the difference between the number of times the record has been set by the czech republic and the number of times the record has been set by china ?
WP VBD-AUX DT NN IN DT NN IN NNS DT NN VBD-AUX VBD-AUX VBN IN DT NNP NNP CC DT NN IN NNS DT NN VBD-AUX VBD-AUX VBN IN NNP .
7
select abs ( ( select count ( * ) from w where c3 = 'czech republic' ) - ( select count ( * ) from w where c3 = 'china' ) )