team name leagues base year started year ended notable riders
team name
leagues
base
year started
year ended
notable riders
list length
address
first second first_minimum_number first_minimum_parsed first_minimum_year first_maximum_number first_maximum_parsed first_maximum_year
list length list_number
list length
text <cf,text> address timespan(text) <c, number> <ca, text>
aldershot shots national league division three tongham greyhound stadium 1964 (closed 1977, reopened 1997) 1960 ken le breton
how many teams were ended in the last ten years ?
WRB JJ NNS VBD-AUX VBN IN DT JJ CD NNS .
6
select count ( c1 ) from w where c5_list >= present_ref - 10