school name city grades establishment charter
school name
city
grades
establishment
charter
number number1 number2
number
text text score number text
aliamanu intermediate school honolulu 7-8 1958 charter
how many schools were established before 1955 ?
WRB JJ NNS VBD-AUX VBN IN CD .
6
select count ( c1 ) from w where c4_number < 1955