Which wall is it hitting?

If the question is about Q1, pull the March filing. If it is about
Q2, pull the June filing. If it is about Q3, pull the September
filing. If the question is about the full year, pull the annual
report instead. If the question is about Q4, use the annual report
and subtract the first three quarters, unless the company reports a
standalone Q4, in which case use that.

Pull the appropriate filing for the period the user is asking about
and extract the relevant figures. Use good judgement about which
document is most suitable, and be thorough in your analysis.

Identify the period the question covers, then retrieve the filing
that reports that period directly. Where no filing reports it
directly, retrieve the filings that bracket it and say how you
derived the figure. If the period is ambiguous, ask before
retrieving.