Table:
0
A
B
C
D
E
1
Winner
Country
Winter Olympics
FIS Nordic World Ski Championships
Holmenkollen
2
Thorleif Haug
Norway
1924
1924
1919, 1920, 1921
3
Johan Grøttumsbråten
Norway
1928, 1932
1926, 1928, 1931, 1932
1923, 1926, 1928, 1929, 1931
4
Oddbjørn Hagen
Norway
1936
1934, 1935, 1936
1932, 1934, 1935
5
Heikki Hasu
Finland
1948
1948, 1950
1953
6
Simon Slåttvik
Norway
1952
1952
1948, 1950, 1951
7
Sverre Stenersen
Norway
1956
1954, 1956
1955, 1956, 1959
8
Georg Thoma
Federal Republic of Germany
1960
1960, 1966
1963, 1964, 1965, 1966
9
Tormod Knutsen
Norway
1964
1964
1958
10
Franz Keller
Federal Republic of Germany
1968
1968
1967
11
Ulrich Wehling
German Democratic Republic
1972, 1976, 1980
1972, 1974, 1976, 1980
1975, 1976, 1977
12
Tom Sandberg
Norway
1984
1982
1974, 1982
13
Bjarte Engen Vik
Norway
1998
1999, 2001
1996, 1997, 1998, 1999, 2000
14
Jason Lamy-Chappuis
France
2010
2011
2007, 2010

Questions and formulas:
Question: Which Winner has a Country of norway, and a FIS Nordic World Ski Championships of 1924?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="norway")*(D1="1924")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,(B2:B14="norway")*(D2:D14="1924")),1))
Level: medium
Question: Which Country has a FIS Nordic World Ski Championships of 1948, 1950?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="1948, 1950"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,D2:D14="1948, 1950"),2))
Level: medium
Question: Which Holmenkollen has a Country of norway, and a Winner of tom sandberg?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(B1="norway")*(A1="tom sandberg")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,(B2:B14="norway")*(A2:A14="tom sandberg")),5))
Level: medium
Question: Which FIS Nordic World Ski Championships has Winter Olympics of 1960?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1=1960),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,C2:C14=1960),4))
Level: medium
Question: Which Country has a Winter Olympics of 1948?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1=1948),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,C2:C14=1948),2))
Level: medium
Question: Which Winner has a Winter Olympics of 1968?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1=1968),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E14,C2:C14=1968),1))
Level: medium