Question: 1 . Given the following relations: Employee ( EID , EName, Age, DeptID ) Department ( DeptID , DName, Location ) Project ( PID ,

1.Given the following relations:
Employee(EID, EName, Age, DeptID)
Department(DeptID, DName, Location)
Project(PID, PName, DeptID)
Works_On(EID, PID, Hours)
Write the Relational Algebra expression to find the names of employees who have worked more than 20 hours on a project located in 'New York'.

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