Table:
0
A
B
C
D
E
F
1
Year
Date
Event
Days
Stages
Acts
2
2001
23 June
Rock & Blues Festival
2 days
1 stage
6 bands
3
2001
14 July
A Day at the Races
1 day
1 stage
5 bands
4
2002
25 May
Ozzfest 2002
1 day
2 stages
24 bands
5
2003
31 May - 1 June
Download Festival ft. Deconstruction Festival
2 days
2 stages
57 bands
6
2004
5–6 June
Download Festival
2 days
3 stages
73 bands
7
2005
10–12 June
Download Festival with Ozzfest
3 days
3 stages
99 bands
8
2006
9–11 June
Download Festival
3 days
4 stages
106 bands
9
2007
8–10 June
Download Festival
3 days
3 stages
101 bands
10
2008
13–15 June
Download Festival
3 Days
3 stages
100 bands
11
2009
14–16 June
Download Festival
3 days
4 stages
132 bands.

Questions and formulas:
Question: I want to know the events for 106 bands
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="106 bands"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F11,F2:F11="106 bands"),3))
Level: medium