Table:
text: List of districts of West Bengal
Demographics
Demographics
Rank_ District Population Growth_Rate Sex_Ratio Literacy Density_KM
2 North 24 Parganas 10082852 12.86 949 84.95 2463
6 South 24 Parganas 8153176 18.05 949 78.57 819
7 Barddhaman 7723663 12.01 943 77.15 1100
9 Murshidabad 7102430 21.07 957 67.53 1334
14 West Midnapore 5943300 14.44 960 79.04 636
16 Hooghly 5520389 9.49 958 82.55 1753
18 Nadia 5168488 12.24 947 75.58 1316
20 East Midnapore 5094238 15.32 936 87.66 1076
23 Haora 4841638 13.31 935 83.85 3300
35 Kolkata 4486679 -1.88 899 87.14 24252
58 Maldah 3997970 21.50 939 62.71 1071
66 Jalpaiguri 3869675 13.77 954 73.79 621
80 Bankura 3596292 12.64 954 70.95 523

text: List of districts of West Bengal
Demographics
Demographics
Rank_ District Population Growth_Rate Sex_Ratio Literacy Density_KM
84 Birbhum 3502387 16.15 956 70.90 771
124 North Dinajpur 3000849 22.90 936 60.13 956
129 Puruliya 2927965 15.43 955 65.38 468
136 KochBihar 2822780 13.86 942 75.49 833
257 Darjiling 1842034 14.47 971 79.92 585

Question: Name the lowest rank in the list of districts of west bengal?