Given the Relation Employees Containing the Attributes Name,Address,and CurrentJobID and the Relation

Short Answer

Given the relation Employees containing the attributes Name,Address,and CurrentJobID and the relation Jobs containing the attributes JobID,SkillRating,Department,what question is answered by the following SQL statement?
SELECT SkillRating
FROM Employees,Jobs
WHERE Employees.Name = "Joe Smith"
AND Employees.CurrentJobID = Jobs.JobID