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_18047346_5 (tonnes VARCHAR, airport_name VARCHAR)

### Question ###
Louisville International Airport had how many tonnes of cargo in 2011?

### Accurate SQL ###

SELECT tonnes FROM table_18047346_5 WHERE airport_name = "Louisville International Airport"