rank name nationality time
rank
name
nationality
time
number
number
number text text number
4 mark henderson united states 54.11
how much shorter of a time did eduardo piccinini receive than diego cuenca ?
WRB JJ JJR IN DT NN VBD-AUX NNP NNP VB IN JJ NN .
1.04
select abs ( ( select c4_number from w where c2 = 'eduardo piccinini' ) - ( select c4_number from w where c2 = 'diego cuenca' ) )