What are the first names of all students who are older than 20?
SELECT fname FROM student WHERE age  >  20
SELECT fname FROM student WHERE age  >  20
[{'Fname': 'Shiela'}, {'Fname': 'Paul'}, {'Fname': 'David'}, {'Fname': 'Bruce'}, {'Fname': 'Ian'}, {'Fname': 'Lisa'}, {'Fname': 'Sarah'}]