Table:
0
A
B
C
D
E
1
Name
Start of Reign
End of Reign
Birth Name
Title
2
Dositheus II Доситеј II
1967
1981
Dimitar Stojkovski
Archbishop of Ohrid and Macedonia
3
Angelarios Ангелариј
1981
1986
Cvetko Krsteski
Archbishop of Ohrid and Macedonia
4
Gabriel II Гаврил II
1986
1992
Ǵorǵi Milošev
Archbishop of Ohrid and Macedonia
5
Michael Михаил
1993
1999
Metodi Gogov
Archbishop of Ohrid and Macedonia
6
Stephen Стефан
1999
current
Stojan Veljanovski
Archbishop of Ohrid and Macedonia

Questions and formulas:
Question: What is the end of reign for Dimitar Stojkovski?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="dimitar stojkovski"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,D2:D6="dimitar stojkovski"),3))
Level: medium
Question: What is the title of the person who started their reign in 1999?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1=1999),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6=1999),5))
Level: medium
Question: What is the date of birth of the person who started their reign in 1986?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1=1986),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6=1986),4))
Level: medium