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SUBMIT YOUR IDEAI had the same issues with the solution, Tony, so I ignored the solution. This may be another one they need to amend after publishing it.
Great Challenge! I opted to use a Regex_Match, Unique, and Join in order to appoint those cities' missing states as mentioned.
Quick and easy one in 6 steps.
There's a little trick to this one. New York City is not in the answer but should be giving 48 Cities. NYC has 5 teams but does not span the 5 leagues (NBA x 2, NHL x 2, MLB).
I also have 48 records as output.
" do not have a team from all 5 leagues." maybe should be interpretted as at least one team from the five leagues.