CREATE TABLE ROLES (role_description VARCHAR, role_code VARCHAR)
CREATE TABLE Employees (role_code VARCHAR, employee_name VARCHAR)

What is the role of the employee named Koby?
SELECT T1.role_description FROM ROLES AS T1 JOIN Employees AS T2 ON T1.role_code = T2.role_code WHERE T2.employee_name = "Koby"
SELECT "T1"."role_description" FROM "ROLES" AS "T1" JOIN "Employees" AS "T2" ON "Koby" = "T2"."employee_name" AND "T1"."role_code" = "T2"."role_code"