How many teachers are faculty employees?
teachers refers to professor = 1; faculty employees refers to hasPosition = 'Faculty_eme'
SELECT COUNT(*) FROM person WHERE hasPosition = 'Faculty_eme'
database name:db_id computer_student
course table course Cols: course id dtype integer, course level dtype text, 
person table person Cols: person ID dtype integer, professor dtype integer, student dtype integer, has position dtype text, in phase dtype text, years in program dtype text, 
advisedBy table advisedBy Cols: person id dtype integer, person id dummy dtype integer, 
taughtBy table taughtBy Cols: course ID dtype integer, person ID dtype integer, 
