query: 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' AND T2.enroll_grade  =  'C'
question: What is the first name of students enrolled in class ACCT-211 and getted grade C?
query_toks: 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 ' AND T2.enroll_grade = 'C '
query_toks_no_value: 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 = value and t2 . enroll_grade = value
question_toks: What is the first name of students enrolled in class ACCT-211 and getted grade C?