Update Item in nested array

[consigliory]

I am new to rethink and rethink.net driver and cannot find way to update item in nested array.

Test
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I need to update 3rd level of nested element(answer) and only way I can do it for now is to read value update it and then call rethinkdb.net to replace document. Which is obviously not the best way.
I try some few ways and all of them completely valid c# (linq) but throw exp on conversion to ReQL.

[mfenniak]

Hm... I don't think there's any way to do this with the driver today. Is this possible with other RethinkDB drivers, without dropping down to using r.js() to execute JavaScript? I can't quite picture how these queries would work given the internals of ReQL.