57 Given the following data in the DEMO INSTRUCTOR table: IID 101 102 103 104 105 106 NAME Becker Lee Ferguson Harvey Koh Kent Query: Select DEPT from DEMO INSTRUCTOR group by(DEPT); Which of the following statements is TRUE? O The result has 6 rows. O None of the choices. O Query is illegal. O The result has 0 rows because group by needs numeric values. O The result has 5 rows. DEPT BCIS Computer English Statisitics BCIS Economics