S(S#,SNAME,STATUS,CITY) P(P#,PNAME,COLOR,WEIGHT,CITY) SP(S#,P#,QTY) Query language given Answer the following questions using (Relational Multiple Analysis (TRC), Relational Algebra or SQL) A. [Relational Algebra] At least all provided by S2 provider Bring the supplier names of the suppliers providing the parts. B. [Relational Algebra] Providers who provide at least one red piece Bring provider names. C. [TRC] Bring the supplier names of providers who do not provide the P2 part. D. [TRC] Bring in the supplier names of the suppliers who provided all the parts. E. [SQL] Parts provided by more than three vendors Bring the part numbers. F. [SQL] Get the average of the total amount of parts.