# stadium capacity city region home team opened
#
stadium
capacity
city
region
home team
opened
number
number
number
number text number text text text number
1 stade de france 81338 paris ile-de-france france national football team 1998
what is the number of stadiums that opened before 1920 ?
WP VBD-AUX DT NN IN NNS WDT VBD IN CD .