On Quiz of Problem: Filtering Collections with Queries.There is no age key on collection citibike.trips… Check it and try to solve it.
There is nothing like age field in citibike.trips
Please check the lab question again
I suppose your question is regarding the Quiz: Filtering Collections with Queries.
Please note that the query filter in the quiz doesn’t belong to any database particularly. You just need to choose the correct options based only on the given filter.
Please let me know, if you have any doubts.