Did the product-adoption push actually drive expansion?
Measure successHardProblem. A campaign pushed customers to adopt a second product (say, Databricks SQL). Accounts that adopted it expanded consumption a lot. Leadership wants to scale the push. Did it actually work?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.