Given the table, EMPLOYEES below with the following rows, how many rows are generated by the SQL command, SELECT DISTINCT employee_role FROM EMPLOYEES WHERE employee_id > 6792 EMPLOYEE_ID...

Given the table, EMPLOYEES below with the following rows, how many rows are generated by the SQL command,

SELECT DISTINCT employee_role

FROM EMPLOYEES

WHERE employee_id > 6792

EMPLOYEE_ID             EMPLOYEE_NAME             EMPLOYEE_ROLE

6790                              Rajiv                                     Foreman

6791                              Preetam                              Manager

6792                              Grace                                   Plumber

6793                               Jahleel                                 Electrician

6794                               David                                   Electrician