Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Rank | Airport Name | Location | IATA Code | Tonnes | % Chg. 2010/11 |
| --- | --- | --- | --- | --- | --- |
| 1.0 | Memphis International Airport | Memphis, Tennessee | MEM | 3,916,410 | 0 0.0% |
| 2.0 | Ted Stevens Anchorage International Airport | Anchorage, Alaska | ANC | 2,543,105 | 0 3.9% |
| 3.0 | Louisville International Airport | Louisville, Kentucky | SDF | 2,188,422 | 0 1.0% |
| 4.0 | Miami International Airport | Miami, Florida | MIA | 1,841,929 | 0 0.3% |
| 5.0 | Los Angeles International Airport | Los Angeles, California | LAX | 1,681,611 | 0 3.8% |
| 6.0 | John F. Kennedy International Airport | Queens, New York | JFK | 1,348,992 | 0 0.5% |
| 7.0 | O'Hare International Airport | Chicago, Illinois | ORD | 1,311,622 | 0 4.7% |
| 8.0 | Indianapolis International Airport | Indianapolis | IND | 0 971,664 | 0 4.0% |
| 9.0 | Newark Liberty International Airport | Newark, New Jersey | EWR | 0 813,209 | 0 5.0% |
Question:
Louisville International Airport had how many tonnes of cargo in 2011?
Answer:
2188422.0