SELECT count(*) FROM Highschooler WHERE grade  =  9 OR grade  =  10
How many high schoolers are there in grade 9 or 10?
SELECT count ( * ) FROM Highschooler WHERE grade = 9 OR grade = 10
select count ( * ) from highschooler where grade = value or grade = value
How many high schoolers are there in grade 9 or 10 ?