Table:
0
A
B
C
D
E
1
Name
Date of birth
Date of death
Reign
Relationship with predecessor
2
John the Fearless
28 May 1371
10 September 1419
16/21 March 1405 to 10 September 1419
their son
3
Philip V the Good
31 July 1396
15 June 1467
10 September 1419 to 15 June 1467
his son
4
Charles I the Bold
10 November 1433
5 January 1477
15 June 1467 to 5 January 1477
his son
5
Mary the Rich
13 February 1457
27 March 1482
5 January 1477 to 27 March 1482
his daughter
6
Maximilian
22 March 1459
12 January 1519
5 January 1477 to 27 March 1482
her husband and co-ruler

Questions and formulas:
Question: What was the Date of Death of the person whose Date of Birth was 28 May 1371?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="28 may 1371"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="28 may 1371"),3))
Level: medium
Question: What was the Reign of the person whose Date of Birth was 22 March 1459?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="22 march 1459"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="22 march 1459"),4))
Level: medium