Table:
0
A
B
C
D
E
1
Series
Years
Magazine
Albums
Editor
2
Richard et Charlie
1955 - 1962 0
Vaillant
0 1
Glénat 0
3
Totoche
1959 - 1976 0
Vaillant and Pif
14
Vaillant and Dargaud 0
4
Iznogoud
1962–2004
Record and Pilote magazine 0
27
Dargaud
5
Valentin le vagabond 0
1962–1977
Pilote
0 7
Dargaud
6
Corinne et Jeannot
1966–2005
Pif
0 7
Vaillant, Dargaud, Tabary 0

Questions and formulas:
Question: Which series with a total of 27 albums did Dargaud edit?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="dargaud")*(D1=27)),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,(E2:E6="dargaud")*(D2:D6=27)),1))
Level: medium
Question: What years did the magazine Vaillant and Pif run?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="vaillant and pif"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,C2:C6="vaillant and pif"),2))
Level: medium