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 | District | Population | Growth Rate | Sex Ratio | Literacy | Density/KM |
| --- | --- | --- | --- | --- | --- | --- |
| 2.0 | North 24 Parganas | 10082852.0 | 12.86 | 949.0 | 84.95 | 2463.0 |
| 6.0 | South 24 Parganas | 8153176.0 | 18.05 | 949.0 | 78.57 | 819.0 |
| 7.0 | Barddhaman | 7723663.0 | 12.01 | 943.0 | 77.15 | 1100.0 |
| 9.0 | Murshidabad | 7102430.0 | 21.07 | 957.0 | 67.53 | 1334.0 |
| 14.0 | West Midnapore | 5943300.0 | 14.44 | 960.0 | 79.04 | 636.0 |
| 16.0 | Hooghly | 5520389.0 | 9.49 | 958.0 | 82.55 | 1753.0 |
| 18.0 | Nadia | 5168488.0 | 12.24 | 947.0 | 75.58 | 1316.0 |
| 20.0 | East Midnapore | 5094238.0 | 15.32 | 936.0 | 87.66 | 1076.0 |
| 23.0 | Haora | 4841638.0 | 13.31 | 935.0 | 83.85 | 3300.0 |
| 35.0 | Kolkata | 4486679.0 | -1.88 | 899.0 | 87.14 | 24252.0 |
| 58.0 | Maldah | 3997970.0 | 21.50 | 939.0 | 62.71 | 1071.0 |
| 66.0 | Jalpaiguri | 3869675.0 | 13.77 | 954.0 | 73.79 | 621.0 |
| 80.0 | Bankura | 3596292.0 | 12.64 | 954.0 | 70.95 | 523.0 |
| 84.0 | Birbhum | 3502387.0 | 16.15 | 956.0 | 70.90 | 771.0 |
| 124.0 | North Dinajpur | 3000849.0 | 22.90 | 936.0 | 60.13 | 956.0 |
| 129.0 | Puruliya | 2927965.0 | 15.43 | 955.0 | 65.38 | 468.0 |
| 136.0 | KochBihar | 2822780.0 | 13.86 | 942.0 | 75.49 | 833.0 |
| 257.0 | Darjiling | 1842034.0 | 14.47 | 971.0 | 79.92 | 585.0 |
Question:
Name the least rank
Answer:
2.0