What is the project detail for the project with document "King Book"?
create table projects (project_details varchar, project_id varchar, PRIMARY KEY (project_details)); create table documents (project_id varchar, document_name varchar, PRIMARY KEY (project_id))
select t1.project_details from projects as t1 join documents as t2 on t1.project_id = t2.project_id where t2.document_name = "king book"