“[W]omen playwrights live in a world where we are told it is a bad thing if women are 57 percent of the undergraduate population, because that’s too big an imbalance, but it’s an okay thing if women are only getting 17 percent or 6 percent or 9 percent of the best jobs in show business … and if we tried to rectify that it would be unfair because it would involve ‘quotas.'”