select e.ename, e.hiredate, e.deptno
from emp e
where e.hiredate = (
    select min(hiredate)
    from emp
    where deptno in (
        select deptno
        from emp
        where ename = 'KING'
    )
) and e.deptno = (
    select deptno
    from emp
    where ename = 'KING'
);