Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Sportsinfo ( StuID VARCHAR, onscholarship VARCHAR )
TABLE: CREATE TABLE Student ( Lname VARCHAR, StuID VARCHAR )

### Question ###
Show last names for all student who are on scholarship.

### Accurate SQL ###

SELECT T2.Lname FROM Sportsinfo AS T1 JOIN Student AS T2 ON T1.StuID = T2.StuID WHERE T1.onscholarship = 'Y'