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_1886270_1 ( cr_no INTEGER )

### Question ###
What is the lowest cr number?

### Accurate SQL ###

SELECT MIN(cr_no) FROM table_1886270_1