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 | Total Passengers | % Change 2008/2009 | International Passengers | Domestic Passengers | Transit Passengers | Aircraft Movements | Freight ( Metric Tonnes ) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.0 | London Heathrow | 66036957.0 | 1.5% | 60652036.0 | 5254605.0 | 130316.0 | 466393.0 | 1277650.0 |
| 2.0 | London Gatwick | 32392520.0 | 5.3% | 28698660.0 | 3662113.0 | 31747.0 | 251879.0 | 74680.0 |
| 3.0 | London Stansted | 19957077.0 | 10.7% | 18054748.0 | 1894941.0 | 7388.0 | 167817.0 | 182810.0 |
| 4.0 | Manchester | 18724889.0 | 11.8% | 16063891.0 | 2566503.0 | 94495.0 | 172515.0 | 102543.0 |
| 5.0 | London Luton | 9120546.0 | 10.4% | 7937319.0 | 1178008.0 | 5219.0 | 98736.0 | 28643.0 |
| 6.0 | Birmingham | 9102899.0 | 5.4% | 7773643.0 | 1319558.0 | 9698.0 | 101221.0 | 13070.0 |
| 7.0 | Edinburgh | 9049355.0 | 0.5% | 4136677.0 | 4906775.0 | 5903.0 | 115969.0 | 23791.0 |
| 8.0 | Glasgow International | 7225021.0 | 11.7% | 3423174.0 | 3790223.0 | 11624.0 | 85281.0 | 2334.0 |
| 9.0 | Bristol | 5642921.0 | 10.0% | 4506808.0 | 1108392.0 | 27721.0 | 70245.0 | 0.0 |
| 10.0 | Liverpool | 4884494.0 | 8.4% | 4078795.0 | 800673.0 | 5026.0 | 79298.0 | 264.0 |
| 11.0 | East Midlands | 4658151.0 | 17.1% | 4019364.0 | 633327.0 | 5460.0 | 83256.0 | 255121.0 |
| 12.0 | Newcastle | 4587883.0 | 9.0% | 3158477.0 | 1410142.0 | 19264.0 | 69254.0 | 2597.0 |
| 13.0 | Belfast International | 4546475.0 | 13.6% | 1667738.0 | 2868760.0 | 9977.0 | 68813.0 | 29804.0 |
| 14.0 | Aberdeen | 2984445.0 | 9.3% | 1286843.0 | 1696950.0 | 652.0 | 109876.0 | 3822.0 |
| 15.0 | London City | 2796890.0 | 14.2% | 2204731.0 | 592159.0 | 0.0 | 76861.0 | 0.0 |
| 16.0 | Belfast City | 2621763.0 | 2.0% | 55251.0 | 2566482.0 | 30.0 | 39330.0 | 138.0 |
| 17.0 | Leeds Bradford | 2574426.0 | 10.4% | 2098479.0 | 454118.0 | 21829.0 | 53817.0 | 359.0 |
| 18.0 | Glasgow Prestwick | 1817727.0 | 24.8% | 1358000.0 | 459286.0 | 441.0 | 34230.0 | 13385.0 |
| 19.0 | Southampton | 1789901.0 | 8.0% | 682427.0 | 1107016.0 | 458.0 | 45502.0 | 209.0 |
Question:
What is the rank of the airport with a  freight ( metric tonnes ) of 23791?
Answer:
7.0