CREATE TABLE projects (code TEXT, name TEXT, hours DECIMAL)
CREATE TABLE assignedto (scientist DECIMAL, project TEXT)
CREATE TABLE scientists (ssn DECIMAL, name TEXT)

Find the number of scientists involved for each project name.
SELECT COUNT(*), T1.name FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project GROUP BY T1.name
SELECT COUNT(*), "T1"."name" FROM "projects" AS "T1" JOIN "assignedto" AS "T2" ON "T1"."code" = "T2"."project" GROUP BY "T1"."name"