Table:
0
A
B
C
D
E
1
Country
Automobile Name
Manufacturer
Engine Make/Capacity
Year
2
China
Shuanghuan Noble
Shijiazhuang Shuanghuan Automobile Co
1.1 litre gasoline
2006-
3
Croatia
DOK-ING XD
DOK-ING , Zagreb
45 kW electric motor (x2)
2010-
4
Czechoslovakia
Aero Minor
Letecke Zavody n.p., Jinonice
Jawa 615cc
1946-1952
5
Czechoslovakia
Avia
Avia , Warsaw
Jawa 350cc
1956-1958
6
Czechoslovakia
Oskar 54
MOTO-VELO-sport
Jawa 249cc
1945-1956
7
Czechoslovakia
Oskar 16/250
VELO , Hradec Králové
Jawa 249cc
1956-1963
8
Czechoslovakia
Velorex 16/175
VELO , Hradec Králové
ČZ 171cc
1963-1971
9
Czechoslovakia
Velorex 16/350
VELO , Hradec Králové
Jawa 344cc
1963-1971
10
Czechoslovakia
Velorex 435
VELO , Hradec Králové
Jawa 344cc
1971-1973

Questions and formulas:
Question: In what year was Letecke Zavody N.P., Jinonice the manufacturer?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="letecke zavody n.p., jinonice"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,C2:C10="letecke zavody n.p., jinonice"),5))
Level: medium
Question: What country had the car with the Jawa 350cc engine?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="jawa 350cc"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,D2:D10="jawa 350cc"),1))
Level: medium
Question: In what country was the car with the čz 171cc engine?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="čz 171cc"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,D2:D10="čz 171cc"),1))
Level: medium
Question: What is the name of the car that was made in the years 1956-1958?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="1956-1958"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="1956-1958"),2))
Level: medium
Question: What is the name of the car manufactured by Letecke Zavody N.P., Jinonice?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="letecke zavody n.p., jinonice"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,C2:C10="letecke zavody n.p., jinonice"),2))
Level: medium
Question: Who manufactured the car with the jawa 249cc engine that was made in the years 1956-1963?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="jawa 249cc")*(E1="1956-1963")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(D2:D10="jawa 249cc")*(E2:E10="1956-1963")),3))
Level: medium