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
how mans years have ger nos below 900 ?
WRB NNS NNS VBD-AUX NNP NN IN CD .
2
select count ( distinct c1 ) from w where c4_list_minimum < 900