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Beginner question about queries

Beginner question about queries

(OP)
Well, ok, let's say i have these two facts:

data1([50, 20, 15, 20, 25, 20, 84]).
data2([50, 30, 15, 5, 10, 18, 60]).


I want to make a query that asks whether the N-th element of the list defined as a part of those facts is some value.

query([L1|Tail]) :- L1 is 50. This would work but only if the query is like that query([50, 30, 20].. I want to ask something like query(data1)..

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