Count the number of different positions in the club "Bootup Baltimore".
SELECT count(DISTINCT t2.position) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid  =  t2.clubid WHERE t1.clubname  =  "Bootup Baltimore"
SELECT count(DISTINCT t2.position) FROM club AS t1 JOIN member_of_club AS t2 ON t1.clubid  =  t2.clubid WHERE t1.clubname  =  "Bootup Baltimore"
[{'count(DISTINCT t2.position)': 2}]