CREATE TABLE projects (code CLOB, name CLOB, hours NUMBER)
CREATE TABLE assignedto (scientist NUMBER, project CLOB)
CREATE TABLE scientists (ssn NUMBER, name CLOB)

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" "T1" JOIN "assignedto" "T2" ON "T1"."code" = "T2"."project" GROUP BY "T1"."name"