See "reviews_from_the_web" section in knowledge graph for homeadvisor.com result here: https://serpapi.com/playground?q=gk+general+construction+llc&location=puyallup%2C+washington%2C+united+states&gl=us&hl=en

The correct value for "rating" is showing up in the "company" field, and the "rating" field is incorrectly showing "0".

It should show "company"="HomeAdvisor" and "rating"="5.0"