Table:
0
A
B
C
D
E
1
play
author
company
base
country
2
Electra
Euripides
Radu Stanca National Theatre
Sibiu
Romania
3
Plutus
Aristophanes
Cyprus Theatre Organisation
Nicosia
Cyprus
4
The Birds
Aristophanes
Theatro Technis Karolos Koun
Athens
Greece
5
Medea
Euripides
Teatro Instabile
Aosta
Italy
6
The Persians
Aeschylus
Astràgali Teatro
Lecce
Italy
7
Medea
Euripides
Semeio Theatre
Athens
Greece
8
Ajax
Sophocles
Attis Theatre
Athens
Greece
9
Antigone
Sophocles
Habima Theatre
Tel Aviv
Istrael

Questions and formulas:
Question: Which base has a company of Theatro Technis Karolos Koun?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="theatro technis karolos koun"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="theatro technis karolos koun"),4))
Level: medium
Question: Which company has an author of Aristophanes and play of Plutus?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="aristophanes")*(A1="plutus")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(B2:B9="aristophanes")*(A2:A9="plutus")),3))
Level: medium
Question: Which author has a company of the Semeio Theatre?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="semeio theatre"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="semeio theatre"),2))
Level: medium
Question: Which play was done by the Radu Stanca National Theatre company?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="radu stanca national theatre"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="radu stanca national theatre"),1))
Level: medium
Question: Which play had a base of Aosta?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="aosta"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,D2:D9="aosta"),1))
Level: medium
Question: What is the country of the play based in Athens at the Attis Theatre company?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="athens")*(C1="attis theatre")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(D2:D9="athens")*(C2:C9="attis theatre")),5))
Level: medium