Your question is Debug Discrepancy With Stakeholders. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Describe a situation where you had to debug a complex data discrepancy with a stakeholder. Explain how you clarified the disagreement, isolated the source of the discrepancy, communicated your findings, and drove the issue to resolution. Be specific about your actions, the technical and relationship challenges, and the measurable outcome.