Show me the the shipping agent code of shipping agent Fedex.
select shipping_agent_code from ref_shipping_agents where shipping_agent_name = "Fedex";
How about the shipping agent description of shipping agent UPS?
select shipping_agent_description from ref_shipping_agents where shipping_agent_name = "UPS";
What is the shipping agent code of this shipping agent?
select shipping_agent_code from ref_shipping_agents where shipping_agent_name = "UPS";