Table:
0
A
B
C
D
E
1
play
author
company
base
country
2
Cyclops
Euripides
Amphiktio Theatre
Nicosia
Cyprus
3
The Trackers
Sophocles
Anagnosis Cultural Society
Athens
Greece
4
Oedipus the King
Sophocles
Zhejiang Beijing Opera
Beijing
China
5
Prometheus Bound
Aeschylus
Compagnie José Besprosvany
Brussels
Belgium
6
Medea
Euripides
Buzz Productions Theater
Nicosia
Cyprus
7
Prometheus Bound
Aeschylus
Attis Theatre
Athens
Greece
8
Antigone
Sophocles
Theatre Lab Company
London
United Kingdom
9
Dionysia
excerpts from various plays
Northern Greece State Theatre
Thessaloniki
Greece

Questions and formulas:
Question: Who was the author for company Buzz Productions Theater?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="buzz productions theater"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,C2:C9="buzz productions theater"),2))
Level: medium
Question: What country had the play Cyclops?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="cyclops"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,A2:A9="cyclops"),5))
Level: medium
Question: What country had the play Medea?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="medea"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,A2:A9="medea"),5))
Level: medium
Question: What play is from the country Belgium?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="belgium"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,E2:E9="belgium"),1))
Level: medium
Question: What play has a base of Athens and was written by Aeschylus?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="aeschylus")*(D1="athens")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(B2:B9="aeschylus")*(D2:D9="athens")),1))
Level: medium
Question: What is the company from Greece with author Aeschylus?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="greece")*(B1="aeschylus")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E9,(E2:E9="greece")*(B2:B9="aeschylus")),3))
Level: medium