It does not mean 600-900 but it doesn't exclude it.<quoted text>
Neither does it reflect a very large number. Some will always remain some. Some cannot be many.
You are right on one point. It could mean a party of men also.
Of course, it does not mean a few. However, it also does not mean 600-900.
We don't know the exact number of the members of the Quraysh tribe.
If they were 3000 individuals and something like 600-900 of those members were killed, the use of the word 'some' in that context is more than appropriate.