CREATE TABLE assignedto (project VARCHAR2)
CREATE TABLE projects (name VARCHAR2, hours VARCHAR2, code VARCHAR2)

Find the name and hours of project that has the most number of scientists.
SELECT T1.name, T1.hours FROM projects AS T1 JOIN assignedto AS T2 ON T1.code = T2.project GROUP BY T2.project ORDER BY COUNT(*) DESC LIMIT 1
SELECT "T1"."name", "T1"."hours" FROM "projects" "T1" JOIN "assignedto" "T2" ON "T1"."code" = "T2"."project" GROUP BY "T2"."project" ORDER BY COUNT(*) DESC FETCH FIRST 1 ROWS ONLY