What are the first names of the teachers who teach grade 1?
SELECT DISTINCT T2.firstname FROM list AS T1 JOIN teachers AS T2 ON T1.classroom  =  T2.classroom WHERE grade  =  1
SELECT DISTINCT T2.firstname FROM list AS T1 JOIN teachers AS T2 ON T1.classroom  =  T2.classroom WHERE grade  =  1
[{'FirstName': ' JEROME'}, {'FirstName': ' OTHA'}]