(#7201) test: add query example (spark sql)

[seunggabi]

Issue #, if available:

• #7201

Description of changes:

• add spark sql examples (test & docs)

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[kdaily]

Hi! As part of our contribution process, I think we need some more discussion on this change. We'll need to reach out to the service documentation writers for more information on how to move forward. We can continue that conversation on the linked GitHub issue. Thanks!

[tim-finnigan]

Thanks for your patience — I'm closing this as we are waiting a response on https://github.com/aws/aws-cli/issues/7201. We need more information on what was intended here.