What are the result descriptions of the project whose detail is "sint"?
select t1.outcome_description from research_outcomes as t1 join project_outcomes as t2 on t1.outcome_code = t2.outcome_code join projects as t3 on t2.project_id = t3.project_id where t3.project_details = 'sint'
What are the project details of all of those project ids?
select t2.project_id, t3.project_details from research_outcomes as t1 join project_outcomes as t2 on t1.outcome_code = t2.outcome_code join projects as t3 on t2.project_id = t3.project_id where t2.outcome_code = 'Patent'