year order quantity ger nos.
year
order
quantity
ger nos .
number
number
list length list_number list_minimum list_maximum
number text number <c,numberspan>
1893 n31 1 999
what is the number of years with a quantity of 10 ?
WP VBD-AUX DT NN IN NNS IN DT NN IN CD .
5
select count ( distinct c1 ) from w where c3_number = 10