You will be given a definition of a task first, then some input of the task.
In this task, you will be presented with a question and you have to answer the question based on your knowledge. Your answers should be as short as possible.

In what league division does the team play who has had their current season in top flight from 1989 - and has a hometown with a population density of 4890 persons per km² ?
Output:
Division 1 of Japan 's Nadeshiko League