display the employee number and job id for all employees whose salary is smaller than any salary of those employees whose job title is MK_MAN.
SELECT employee_id, job_id FROM employees WHERE salary < (SELECT MIN(salary) FROM employees WHERE job_id = 'MK_MAN')
``` yaml
employees: # name of dataframe
- EMPLOYEE_ID:
    dtype: int64
    sample_values: 100, 101, 102
- FIRST_NAME:
    dtype: string
    sample_values: Steven, Neena, Lex
- LAST_NAME:
    dtype: string
    sample_values: King, Kochhar, De Haan
- EMAIL:
    dtype: string
    sample_values: SKING, NKOCHHAR, LDEHAAN
- PHONE_NUMBER:
    dtype: string
    sample_values: 515.123.4567, 515.123.4568, 515.123.4569
- HIRE_DATE:
    dtype: datetime
    sample_values: 1987-06-17, 1987-06-18, 1987-06-19
- JOB_ID:
    dtype: string
    sample_values: AD_PRES, AD_VP, AD_VP
- SALARY:
    dtype: int64
    sample_values: 24000, 17000, 17000
- COMMISSION_PCT:
    dtype: float64
    sample_values: 0.0, 0.0, 0.0
- MANAGER_ID:
    dtype: int64
    sample_values: 0, 100, 100
- DEPARTMENT_ID:
    dtype: int64
    sample_values: 90, 90, 90

```
EMPLOYEE_ID,JOB_ID
103,IT_PROG
104,IT_PROG
105,IT_PROG
106,IT_PROG
107,IT_PROG
108,FI_MGR
109,FI_ACCOUNT
110,FI_ACCOUNT
111,FI_ACCOUNT
112,FI_ACCOUNT
113,FI_ACCOUNT
114,PU_MAN
115,PU_CLERK
116,PU_CLERK
117,PU_CLERK
118,PU_CLERK
119,PU_CLERK
120,ST_MAN
121,ST_MAN
122,ST_MAN
123,ST_MAN
124,ST_MAN
125,ST_CLERK
126,ST_CLERK
127,ST_CLERK
128,ST_CLERK
129,ST_CLERK
130,ST_CLERK
131,ST_CLERK
132,ST_CLERK
133,ST_CLERK
134,ST_CLERK
135,ST_CLERK
136,ST_CLERK
137,ST_CLERK
138,ST_CLERK
139,ST_CLERK
140,ST_CLERK
141,ST_CLERK
142,ST_CLERK
143,ST_CLERK
144,ST_CLERK
147,SA_MAN
148,SA_MAN
149,SA_MAN
150,SA_REP
151,SA_REP
152,SA_REP
153,SA_REP
154,SA_REP
155,SA_REP
156,SA_REP
157,SA_REP
158,SA_REP
159,SA_REP
160,SA_REP
161,SA_REP
162,SA_REP
163,SA_REP
164,SA_REP
165,SA_REP
166,SA_REP
167,SA_REP
168,SA_REP
169,SA_REP
170,SA_REP
171,SA_REP
172,SA_REP
173,SA_REP
174,SA_REP
175,SA_REP
176,SA_REP
177,SA_REP
178,SA_REP
179,SA_REP
180,SH_CLERK
181,SH_CLERK
182,SH_CLERK
183,SH_CLERK
184,SH_CLERK
185,SH_CLERK
186,SH_CLERK
187,SH_CLERK
188,SH_CLERK
189,SH_CLERK
190,SH_CLERK
191,SH_CLERK
192,SH_CLERK
193,SH_CLERK
194,SH_CLERK
195,SH_CLERK
196,SH_CLERK
197,SH_CLERK
198,SH_CLERK
199,SH_CLERK
200,AD_ASST
202,MK_REP
203,HR_REP
204,PR_REP
205,AC_MGR
206,AC_ACCOUNT
