Name: 

For the database below:

employee(employee-name, street, city)
works(employee-name, company-name, salary)
company(company-name, city)
manages(employee-name, manager-name)


1. Find 'John Doe's Manager's Name.

2. Find employee's whom 'John Doe' manages.

3. Find all companies that have exactly 75 employees.

4. Find in how many cities is 'First Bank Corp.' located.

5. Find how many employees work for 'CityBank' in New York.