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

What are the names of projects that require between 100 and 300 hours?
SELECT name FROM projects WHERE hours BETWEEN 100 AND 300
SELECT "name" FROM "projects" WHERE "hours" <= 300 AND "hours" >= 100