code year
code
year
number
text number
a 1927
how many different codes were used from 1953 to 1958 ?
WRB JJ JJ NNS VBD-AUX VBN IN CD TO CD .
6
Keyword Keyword Keyword Keyword Column Keyword Keyword Keyword Keyword Column Keyword Literal.Number Keyword Column Keyword Literal.Number
select count ( distinct c1 ) from w where c2_number >= 1953 and c2_number <= 1958
Keyword Keyword Keyword Column None None Keyword Literal Keyword Literal None
['agg', 'agg_count'] ['agg', 'agg_count'] ['conj', 'conj_or'] c1 ['comp', 'comp_gequal'] ['comp', 'comp_lequal']