Table:
0
A
B
C
D
E
F
1
Represent Province
Contestant
Age
Height (ft.)
Height (mtr.)
Hometown
2
Drenthe
Bojoura Verwey
24
5'11"
1.82
Amsterdam
3
Flevoland
Madilon Bos
21
5'8"
1.74
Almere
4
Friesland
Hester Winkel
25
5'8"
1.74
Amsterdam
5
Gelderland
Gladys Fraenk
22
6'0"
1.83
Nijmegen
6
Groningen
Jana Voyvodich
20
5'11"
1.81
Groningen
7
Limburg
Sherien Sirvania
22
5'10"
1.79
Hoorn
8
North Brabant
Amanda van de Meule
24
5'7"
1.70
Capelle
9
North Holland
Desirée van den Berg
23
5'9"
1.76
Santpoort
10
Overijssel
Petra Smits
23
5'8"
1.73
Borne
11
South Holland
Sevtap Ergec
22
5'11"
1.80
Rotterdam
12
Utrecht
Karin de Boer
23
5'11"
1.80
Woerden

Questions and formulas:
Question: What is the represent province for the contestant whose hometown is Woerden? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="Woerden"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F12,F2:F12="Woerden"),1))
Level: medium
Question: How many contestants are 1.80 mtr. in height? 
Formula: ROWS(UNIQUE(FILTER(B1, E1=1.8)))
Formula2: ROWS(UNIQUE(FILTER(B2:B12, E2:E12=1.8)))
Level: medium