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_55 (round INTEGER, college VARCHAR, overall VARCHAR)

### Question ###
WHAT IS THE ROUND FROM MICHIGAN COLLEGE, AND OVERALL LARGER THAN 37?

### Accurate SQL ###

SELECT SUM(round) FROM table_name_55 WHERE college = "michigan" AND overall > 37