What is the first name of students enrolled in class ACCT-211 and got grade C?
CREATE TABLE student (
    stu_fname VARCHAR,
    stu_num VARCHAR
)

CREATE TABLE CLASS (
    class_code VARCHAR,
    crs_code VARCHAR
)

CREATE TABLE enroll (
    class_code VARCHAR,
    stu_num VARCHAR,
    enroll_grade VARCHAR
)
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'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: What is the first name of students enrolled in class ACCT-211 and got grade C? ### Input: CREATE TABLE student (
    stu_fname VARCHAR,
    stu_num VARCHAR
)

CREATE TABLE CLASS (
    class_code VARCHAR,
    crs_code VARCHAR
)

CREATE TABLE enroll (
    class_code VARCHAR,
    stu_num VARCHAR,
    enroll_grade VARCHAR
) ### Response: 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'