SELECT count(*) ,  T1.name FROM projects AS T1 JOIN assignedto AS T2 ON T1.code  =  T2.project GROUP BY T1.name
Find the number of scientists involved for each project name.
[Schema (values) (types)]: | scientist_1 |  Scientists : ssn (text) , name (number) | Projects : code (text) , name (number) , hours (text) | AssignedTo : scientist (text) , project (number);