Составьте пожалуйста 5 типов вопросов для предложения: There are over 200 pros, the best ones joining professional leagues founded in the late 90s.

1There are over 200 pros, thebest ones joining professional leagues founded in the late 90s,aren’t there?2 Are there  over 200 pros, the best ones joiningprofessional leagues founded in the late 90s?3 Are there  over 200 pros, the best ones joiningprofessional leagues founded in the late 90s or 80 s?4What is there over 200 pros?5When did found the best onesjoining professional leagues ?How many  are there pros ?