What is the test for substantial evidence in a sexual assault case?

"A substantial evidence inquiry examines the record in the light most favorable to the judgment and upholds it if the record contains reasonable, credible evidence of solid value upon which a reasonable trier of fact could have relied in reaching the conclusion in question. Once such evidence is found, the substantial evidence test is satisfied. [Citation.] Even when there is a significant amount of countervailing evidence, the testimony of a single witness that satisfies the standard is sufficient to uphold the finding." (People v. Barnwell (2007) 41 Cal.4th 1038, 1052.)