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_27094070_4 (overall_total INTEGER, team VARCHAR)

### Question ###
What is the overall total for the Omaha Nighthawks?

### Accurate SQL ###

SELECT MIN(overall_total) FROM table_27094070_4 WHERE team = "Omaha Nighthawks"