Updated README.md

README.md

@@ -107,6 +107,7 @@ The data fields are the same among all splits.
 
 #### squad_v2
 - `id`: a `string` feature.
+- `gem_id`: a `string` feature.
 - `title`: a `string` feature.
 - `context`: a `string` feature.
 - `question`: a `string` feature.
@@ -116,9 +117,10 @@ The data fields are the same among all splits.
 
 ### Data Splits
 
-| name     |  train | validation |
-| -------- | -----: | ---------: |
-| squad_v2 | 130319 |      11873 |
+| name       |  train | validation | test  |
+| ---------: | -----: | ---------: | ----: |
+| squad_v2   | 90403  |      11873 | 39916 |
+
 
 ## Dataset Creation
 
@@ -194,4 +196,4 @@ archivePrefix = {arXiv},
 
 ### Contributions
 
-Thanks to [@AbinayaM02](https://github.com/AbinayaM02)
+Thanks to [@AbinayaM02](https://github.com/AbinayaM02) for adding this dataset to GEM.