year competition venue position notes
year
competition
venue
position
notes
number
address
number
number
number text address rank unitnum
1982 european championships athens, greece 1st 2.30 m
what is the difference between notes in 1990 and 1989 ?
WP VBD-AUX DT NN IN NNS IN CD CC CD .
.04
select abs ( ( select c5 from w where c1_number = 1990 ) - ( select c5 from w where c1_number = 1989 ) )