(q)(2) and replacing it with the following: (2) If an individual is entitled to a disability insurance benefit for a month after a month for which such individual was entitled to an old-age insurance benefit, such disability insurance benefit for each month shall be— (A) if such individual initially became entitled to disability benefits in any calendar year before 2019, reduced by the amount such old-age insurance benefit would be reduced under paragraphs (1) and (4) for such month had such individual attained retirement age (as defined in section 416(l) of this title) in the first month for which he most recently became entitled to a disability insurance benefit