Old film with subtitiles are burned on video with pure quailty and need to replace new subtitles

Old film with subtitiles are burned on video with pure quailty and need to replace new subtitles to cover old one with black background with news text in Divinci Resolve's project. Divinci Resolve project given to work and need to fix within this project... (Budget: $10 - $30 USD, Jobs: After Effects, DaVinci Resolve, Film Editing, Post-Production, Video Ads, Video Editing, Video Post-editing, Video Processing, Video Production, Video Services)