Simplify the following text for a Grade 4 native English-speaking person.
Original: At that time , Al Jazeera was not yet generally known in the Western world , but where it was known , opinion was often favourable and Al Jazeera claimed to be the only politically independent television station in the Middle East .
Simplified: At that time many people outside the Middle East did not know about Al Jazeera . Those people who knew it said generally good things about Al Jazeera .