What is the legal test for challenging a finding of insufficient evidence in a sexual assault case?

Challenges to a judgment based on insufficient evidence are reviewed under well-established rules. We must "review the whole record in the light most favorable to the judgment to determine whether it discloses substantial evidence ... such that a reasonable trier of fact could find the defendant guilty beyond a reasonable doubt." (People v. Rodriguez (1999) 20 Cal.4th 1, 11 (Rodriguez).) We must affirm even if the circumstances and evidence would support a contrary finding, and the "standard of review is the same in cases in which the prosecution relies mainly on circumstantial evidence." (Ibid.) Rodriguez explained:

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