To be section leader, you have to be a current or past student and fill out an application. She is a freshman taking CS106b this quarter and is applying for next quarter.

She doesn’t go to lecture (usually) but aced the midterm

Also she discovered a planet once

General policy for my markets: In the rare event of a conflict between my resolution criteria and the agreed-upon common-sense spirit of the market, I may resolve it according to the market's spirit or N/A, probably after discussion.