Rename QuestionAnswering template to QuestionAnsweringExtractive
{'login': 'lewtun', 'id': 26859204, 'node_id': 'MDQ6VXNlcjI2ODU5MjA0', 'avatar_url': 'https://avatars.githubusercontent.com/u/26859204?v=4', 'gravatar_id': '', 'url': 'https://api.github.com/users/lewtun', 'html_url': 'https://github.com/lewtun', 'followers_url': 'https://api.github.com/users/lewtun/followers', 'following_url': 'https://api.github.com/users/lewtun/following{/other_user}', 'gists_url': 'https://api.github.com/users/lewtun/gists{/gist_id}', 'starred_url': 'https://api.github.com/users/lewtun/starred{/owner}{/repo}', 'subscriptions_url': 'https://api.github.com/users/lewtun/subscriptions', 'organizations_url': 'https://api.github.com/users/lewtun/orgs', 'repos_url': 'https://api.github.com/users/lewtun/repos', 'events_url': 'https://api.github.com/users/lewtun/events{/privacy}', 'received_events_url': 'https://api.github.com/users/lewtun/received_events', 'type': 'User', 'site_admin': False}
[]
[]
> I like having "extractive" in the name to make things explicit. However this creates an inconsistency with transformers.
> 
> See
> https://huggingface.co/transformers/task_summary.html#extractive-question-answering
> 
> But this is minor IMO and I'm ok with this renaming

yes i chose this convention because it allows us to match the `QuestionAnsweringXxx` naming and i think it's better to have `task_name-subtask_name` should auto-complete ever become part of the Hub :)
Following the discussion with @thomwolf  in #2255, this PR renames the QA template to distinguish extractive vs abstractive QA. The abstractive template will be added in a future PR.
{'url': 'https://api.github.com/repos/huggingface/datasets/issues/2429/reactions', 'total_count': 1, '+1': 1, '-1': 0, 'laugh': 0, 'hooray': 0, 'confused': 0, 'heart': 0, 'rocket': 0, 'eyes': 0}
{'url': 'https://api.github.com/repos/huggingface/datasets/pulls/2429', 'html_url': 'https://github.com/huggingface/datasets/pull/2429', 'diff_url': 'https://github.com/huggingface/datasets/pull/2429.diff', 'patch_url': 'https://github.com/huggingface/datasets/pull/2429.patch', 'merged_at': '2021-05-31T15:57:24Z'}