Try the following queries:

'first name' ilike Mark
'first name' like r
'first name' like Mark or number = 3
number = 3
number == 3
not number == 3
not 'first name' ilike mark
not ('first name' ilike mark or number = 2)
                  

Number First Name Last Name Username
1 Mark Otto @mdo
2 Jacob Thornton @fat
3 Larry the Bird @twitter
4 Donald McLuckie @blue
5 Larry Peterson @frankie
6 Peter Nielson @green
7 John Liu @petie
8 Mark Jackson @stewie
9 Donald McLuckie @stewie
10 Mark Jackson @louie
11 Sue Jackson @frankie
12 Frank Nielson @louie
13 Peter O'Connell @blue
14 Mark McLuckie @stewie
15 Larry Jackson @bloe
16 Donald Jackson @blue
17 Larry Liu @bloe
18 John Jackson @blue
19 Larry O'Connell @green
20 Peter Fujikawa @green
21 Larry McLuckie @bloe
22 Mark McLuckie @green
23 Mark O'Connell @petie
24 Joe Jackson @petie
25 Sue O'Connell @stewie
26 Joe O'Connell @frankie
27 Larry McLuckie @blue
28 John Peterson @green
29 John O'Connell @petie
30 Larry O'Connell @petie
31 Mark Jackson @louie
32 Mark Jackson @frankie
33 Frank O'Connell @blue
34 Sue O'Connell @frankie
35 Larry Fujikawa @louie
36 Donald O'Connell @stewie
37 Peter Fujikawa @green
38 Larry Jackson @louie
39 John O'Connell @frankie
40 Larry O'Connell @green
41 Joe Liu @blue
42 Joe Jackson @bloe
43 Mark O'Connell @frankie
44 Peter O'Connell @blue
45 John Fujikawa @stewie
46 Sue O'Connell @stewie
47 Joe Jackson @green
48 Peter Nielson @bloe
49 John Jackson @stewie
50 Mark Nielson @stewie
51 Donald Jackson @stewie
52 Joe Peterson @petie
53 Joe O'Connell @frankie
54 Sue Peterson @blue
55 Donald McLuckie @bloe
56 Peter Nielson @blue
57 Larry Liu @petie
58 Sue O'Connell @louie
59 Frank McLuckie @stewie
60 John Jackson @louie
61 John Fujikawa @green
62 John Fujikawa @frankie
63 John Liu @bloe
64 Larry Liu @frankie
65 Sue O'Connell @frankie
66 Sue Jackson @blue
67 Larry Liu @bloe
68 Donald Jackson @louie
69 John McLuckie @blue
70 Larry Fujikawa @bloe
71 Mark McLuckie @green
72 John Liu @green
73 Larry Liu @green
74 Frank Liu @louie
75 John O'Connell @blue
76 Larry Liu @louie
77 Donald Jackson @stewie
78 Donald Fujikawa @louie
79 Frank McLuckie @green
80 Mark Fujikawa @louie
81 Donald Fujikawa @petie
82 Larry Nielson @blue
83 Frank O'Connell @louie
84 Peter Fujikawa @blue
85 Donald Nielson @louie
86 Donald McLuckie @blue
87 Sue McLuckie @blue
88 Frank Jackson @stewie
89 Larry Jackson @frankie
90 Sue Jackson @blue
91 Peter Peterson @frankie
92 Sue Fujikawa @louie
93 Sue Jackson @petie
94 Sue Fujikawa @green
95 Mark Liu @petie
96 Joe Jackson @bloe
97 Mark McLuckie @blue
98 Larry Liu @louie
99 Mark Nielson @blue
100 Larry Nielson @stewie