There is no such deduction allowed for 2019 returns. The $300 limit on charitable contributions by individuals using the standard deduction is allowable only for 2020 returns (unless Congress extends it).
A retirement account to which up to $4,000 (or $5,000 if you are 50 or over) may be contributed for 2007, but deductions for the contribution are restricted if you are covered by a company retirement plan. Earnings accumulate tax free.