What is the first name of each student entrolled in class ACCT-211?
SELECT T3.stu_fname FROM CLASS AS T1 JOIN enroll AS T2 ON T1.class_code   =   T2.class_code JOIN student AS T3 ON T2.stu_num   =   T3.stu_num WHERE T1.crs_code   =   'ACCT-211'
first name of each student = stu_fname; enrolled in class ACCT-211 refers to crs_code = 'ACCT-211';