Question 2 (60 pts). The following relations keep track of airline flight information: Flight (flno: integer, from: string, to: string, distance: integer, departs: time, arrives: time, price: real) Aircraft (aid: integer, aname: string, cruisingrange: integer) Certified (eid:integer.aid: integer) Employee (eid: integer, ename: string, salary: integer) Note that the Employee relation describes pilots and other kinds of employees as well: every pilot is certified for some aircraft, and only pilots are certified to fly. Write each of the following queries in SQL 3. Find the names of pilots certified for some 'Boeing' aircraft. (hint: consider substring pattern matching) 4, Find the aids of all aircrafts that can be used on ALL the routes from Miami, FL, to Sacramento, CA