Use relational algebra to answer the following queries.

(d) List the swimmerId of all swimmers and the ids of their caretakers. Include the results for both primary and other caretakers. Call the result of this query R4 swimmer Idct id l 3 11 rows in set (0.03 sec) (e) List the names of the caretakers who care for both swimmers with id 1 and 2 respectively. You may use R4 (the result of question (d)) in your query I LName fname I Khan IAzalea I I Khan IJim