Crossword Genius

Sioux pick up good inside information (6)

Ross

I believe the answer is:

dakota

'sioux' is the definition.
(synonyms)

'pick up good inside information' is the wordplay.
'pick up' says the letters should be written in reverse.
'good' becomes 'ok'.
'inside' means one lot of letters goes inside another.
'information' becomes 'data' (I've seen this before).
'ok' reversed gives 'ko'.
'ko' inserted into 'data' is 'DAKOTA'.

(Other definitions for dakota that I've seen before include "US territory split North and South" , "South . . . . . . is American state with Black Hills" , "old aircraft" , "North ......, Capital Bismark" , "North American Indian; Douglas DC-Three" .)

I've seen this clue in The Guardian.
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