Add evaluation results on the squad_v2 config of squad_v2

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Your model has been evaluated on the squad_v2 config of the [squad_v2](https://huggingface.co/datasets/squad_v2) dataset by

@lewtun
, using the predictions stored [here](https://huggingface.co/datasets/autoevaluate/autoeval-staging-eval-project-squad_v2-94d8b010-11595542).\
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README.md

@@ -6,7 +6,28 @@ datasets:
 - squad
 model-index:
 - name: extractive-question-answering
-  results: []
+  results:
+  - task:
+      type: question-answering
+      name: Question Answering
+    dataset:
+      name: squad_v2
+      type: squad_v2
+      config: squad_v2
+      split: validation
+    metrics:
+    - name: Exact Match
+      type: exact_match
+      value: 35.9508
+      verified: true
+    - name: F1
+      type: f1
+      value: 40.8127
+      verified: true
+    - name: total
+      type: total
+      value: 11869
+      verified: true
 ---
 
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