Table:
0
A
B
C
D
E
1
Date
Region
Label
Catalogue
Format
2
17 April 1982
UK
Bronze
BRON 539
vinyl
3
17 April 1982
North America
Mercury
SRM-1-4042
vinyl
4
1982
France
WEA Filipacchi Music
893048
vinyl
5
1982
Germany
Bronze
204 636
vinyl
6
21/Dec/1982
Yugoslavia
Jugoton
LSBRO 11019
vinyl
7
1982
Australia/NZ
Bronze
L-37841
vinyl
8
1982
Brazil
Bronze
6328444
vinyl
9
1987
France
Castle Communications
CLACD 123
CD
10
1996
UK
Essential, Castle Music
ESM CD 372
CD
11
1999
US
Castle Music America
CDX CMACD-523
CD
12
2001
North America
Metal-Is
CDX 85211
CD
13
2003
Italy
Earmark
LPPIC 41017
180g vinyl picture disc, gatefold cover
14
2005
UK
Sanctuary
SMED-244
2CD

Questions and formulas:
Question: What is Label, when Date is 1987?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1=1987),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,A2:A14=1987),3))
Level: medium
Question: What is Date, when Format is Vinyl, and when Label is Mercury?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(E1="vinyl")*(C1="mercury")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,(E2:E14="vinyl")*(C2:C14="mercury")),1))
Level: medium
Question: What is Date, when Region is Yugoslavia?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="yugoslavia"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,B2:B14="yugoslavia"),1))
Level: medium
Question: What is Format, when Label is Bronze, when Date is 1982, and when Catalogue is 204 636?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1="bronze")*(A1=1982)*(D1="204 636")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,(C2:C14="bronze")*(A2:A14=1982)*(D2:D14="204 636")),5))
Level: medium
Question: What is Date, when Label is Jugoton?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="jugoton"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,C2:C14="jugoton"),1))
Level: medium