Complex sentence: The inclusion of "(politician)" in parentheses is irrelevant to determining the presence or absence of notability--it's "solely" a question of whether or not there are other people with the same name who have articles on Wikipedia.
Split into simpler sentences: The inclusion of "(politician)" in parentheses is irrelevant to determining the presence or absence of notability. That's solely a question of whether there are other people with the same name who have articles on Wikipedia.