Given the following relation:: staff property staffinspection Express the following questions using relational algebra: 1) List the name of all staffs. 2) Address of the property PG16. 3) On the 24/03/12, what properties have been inspected (provide property number and addiess]. 4) What staff (staff namel has inspected the property at the address 12 Trim St Navan 5) List all the inspection details carried out between 01/01/2012 and 31/03/2012. 6) Retrieve the properties (property number) that have not been inspected yet.