SELECT T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T2.name = 'Matter of Time' INTERSECT SELECT T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project = T2.code JOIN scientists AS T3 ON T1.scientist = T3.SSN WHERE T2.name = 'A Puzzling Parallax'
Temukan nama ilmuwan yang mengerjakan proyek bernama 'Matter of Time' dan proyek bernama 'Parallax yang membingungkan'.
CREATE TABLE projects (code VARCHAR, name VARCHAR); CREATE TABLE scientists (name VARCHAR, SSN VARCHAR); CREATE TABLE assignedto (project VARCHAR, scientist VARCHAR)