query: SELECT T1.stu_fname ,  T1.stu_lname FROM student AS T1 JOIN enroll AS T2 ON T1.stu_num  =  T2.stu_num WHERE T2.enroll_grade  =  'C' OR T2.enroll_grade  =  'A'
question: What-what names of all student taking course had received A or C?
query_toks: SELECT T1.stu_fname , T1.stu_lname FROM student AS T1 JOIN enroll AS T2 ON T1.stu_num = T2.stu_num WHERE T2.enroll_grade = 'C ' OR T2.enroll_grade = 'A '
query_toks_no_value: select t1 . stu_fname , t1 . stu_lname from student as t1 join enroll as t2 on t1 . stu_num = t2 . stu_num where t2 . enroll_grade = value or t2 . enroll_grade = value
question_toks: What-what names of all student taking course had received A or C?