Table:
0
A
B
C
D
E
F
1
Start of conflict
End of conflict
Conflict
Continent
Location
Branches involved
2
1991
present
Somali Civil War
Africa
Somalia
Al-Shabaab
3
1992
1996
Civil war in Afghanistan (1992–96)
Asia
Islamic State of Afghanistan
Central Al-Qaeda
4
1992
present
Al-Qaeda insurgency in Yemen
Asia
Yemen
Al-Qaeda in the Arabian Peninsula Al-Shabaab
5
1996
2001
Civil war in Afghanistan (1996–2001)
Asia
Islamic Emirate of Afghanistan
Central Al-Qaeda
6
2001
present
War in Afghanistan (2001–present)
Asia
Afghanistan
Central Al-Qaeda
7
2003
2011
Iraq War
Asia
Iraq
Al-Qaeda in Iraq
8
2004
present
War in North-West Pakistan
Asia
Pakistan
Central Al-Qaeda
9
2009
present
Insurgency in the North Caucasus
Asia
Russia
Caucasus Emirate
10
2011
present
Syrian civil war
Asia
Syria
Al-Nusra Front Al-Qaeda in Iraq

Questions and formulas:
Question: What is every conflict in Iraq?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Iraq"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10="Iraq"),3))
Level: medium
Question: What is every branch involved in Afghanistan?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Afghanistan"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10="Afghanistan"),6))
Level: medium
Question: Which conflicts took place in Yemen?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Yemen"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,E2:E10="Yemen"),3))
Level: medium
Question: How many conflicts started in Afghanistan?
Formula: ROWS(UNIQUE(FILTER(A1, E1="Afghanistan")))
Formula2: ROWS(UNIQUE(FILTER(A2:A10, E2:E10="Afghanistan")))
Level: medium