Simplify the following text for a Grade 10 native English-speaking person.
Original: The date of Alban 's execution is a matter of some debate and is generally given as `` circa 250 '' -- scholars generally suggest dates of 209 , 254 or 304 .
Simplified: The date of Alban 's execution is a matter of some debate , and is generally given as circa 250 -- scholars suggest dates of 209 , 254 or 304 .