Script for training can be found here: https://github.com/vasudevgupta7/bigbird

```python
from transformers import BigBirdForQuestionAnswering

epoch_0 = "4daa96c5befa9b728c47a77280ef9484377d7791"
epoch_1 = "b962e30f2367cbc5e35b2c0d64faa9bad469e2e2"
revision = epoch_1

model = BigBirdForQuestionAnswering.from_pretrained(model_id, revision=revision)
tokenizer = BigBirdTokenizer.from_pretrained(model_id, revision=revision)
```