Table:
0
A
B
C
D
E
1
Location
Name of mill
Type
Built
Notes
2
Andenne
Molen de Stud
Grondzeiler
18th century
Molenechos (Dutch)
3
Belgrade
Moulin Massinon
Grondzeiler
1828
Molenechos (Dutch)
4
Frasnes-lez-Couvin
Moulin Tromcourt Moulin de Géronsart
Grondzeiler
Early 19th century
Molenechos (Dutch)
5
Gembloux-sur-Orneau
Moulin Staquet Moulin Créton
Grondzeiler
19th century
Molenechos (Dutch)
6
Grand-Leez
Moulin Defrenne
Grondzeiler
1830
Molenechos (Dutch)
7
Grand Leez
Moulin Lorge
Grondzeiler
19th century
Molenechos (Dutch)
8
Mettet
Moulin de Scry Vieux Moulin
Grondzeiler
1792
Molenechos (Dutch)
9
Sauvenière
Moulin Michaux
Grondzeiler
1802
Molenechos (Dutch)
10
Tongrinne
Moulin de Tongrinne
Grondzeiler
19th century
Molenechos (Dutch)
11
Velaine-sur-Sambre
Moulin des Golettes
Grondzeiler
Late 18th century
Molenechos (Dutch)

Questions and formulas:
Question: What are the Notes of the Mill Built in the 19th Century?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="19th century"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="19th century"),5))
Level: medium
Question: What is the Type of Mill at Molen de Stud?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="molen de stud"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="molen de stud"),3))
Level: medium
Question: What is the Name of the Mill Built in 1802?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="1802"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="1802"),2))
Level: medium
Question: What is the Location of the Mill Built in the Early 19th Century?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="early 19th century"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="early 19th century"),1))
Level: medium