6. The table below shows the database of vehicles on a used car lot. It's actually just a portion of the ist, but for the purposes of this question, assume it lists all the vehicles. a. Give a key for this database. b. Show the results of the operation SELECT[Category ="Sedan" ^ Year > "2008"]. c. Show the results of the operation PROJECT[Color]. d. Show the results of the operation SELECT[Make = "Ford"] followed by PROJECT[Color]. Express in English what question this combination of queries is asking. e. What operation or operations should be performed if you wanted to know which vehicles were made by Honda and made after 2005