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 orders (order_id VARCHAR, date_order_placed VARCHAR)

### Question ###
What is the id of the most recent order?

### Accurate SQL ###

SELECT order_id FROM orders ORDER BY date_order_placed DESC LIMIT 1