alumni chapters and clubs location founding date years active province
alumni chapters and clubs
location
founding date
years active
province
address
number parsed year month day
minimum_number minimum_parsed minimum_year maximum_number maximum_parsed maximum_year
text address date timespan text
zeta alpha detroit, mi december 14, 1926 2004-2011 beta
how many chapters or clubs were founded in or before 1950 ?
WRB JJ NNS CC NNS VBD-AUX VBN IN CC IN CD .
13
select count ( c1 ) from w where c3_year <= 1950