rank lane athlete time
rank
lane
athlete
time
number
number
first second
number
number number text(text) number
4 5 olga tereshkova (kaz) 51.86
how much faster was olga tereshkova 's time compared to mahjeet kaur ?
WRB JJ RBR VBD-AUX NNP NNP POS NN VBN TO NNP NNP .
.31
select abs ( ( select c4_number from w where c3_first = 'olga tereshkova' ) - ( select c4_number from w where c3_first = 'manjeet kaur' ) )