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 table_name_67 (round INTEGER, school_club_team VARCHAR, pick VARCHAR)

### Question ###
Which Round has a School/Club Team of cal-poly slo, and a Pick smaller than 238?

### Accurate SQL ###

SELECT MAX(round) FROM table_name_67 WHERE school_club_team = "cal-poly slo" AND pick < 238