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 per Kilometer |
| --- | --- | --- | --- | --- | --- | --- |
| 27.0 | Allahabad | 1216719.0 | 20.74 | 902.0 | 74.41 | 1087.0 |
| 26.0 | Moradabad | 4773138.0 | 25.25 | 903.0 | 58.67 | 1284.0 |
| 22.0 | Ghaziabad | 2358525.0 | 41.66 | 878.0 | 85.00 | 3967.0 |
| 30.0 | Azamgarh | 4616509.0 | 17.17 | 1017.0 | 72.69 | 1139.0 |
| 11.0 | Lucknow | 2901474.0 | 14.44 | 960.0 | 79.04 | 636.0 |
Question:
Name the sex ratio lowest for population 4773138
Answer:
903.0