season tier division place
season
tier
division
place
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
number
number
timespan number text rank
1981/82 4 3a 17th
how many seasons are shown in this chart ?
WRB JJ NNS VBD-AUX VBN IN DT NN .
17
Keyword Keyword Keyword Column Keyword Keyword Keyword
select count ( c1 ) from w
Keyword Keyword Column None None None None None None
['agg', 'agg_count'] ['agg', 'agg_count'] c1