Table:
0
A
B
C
D
E
F
1
Name
Location
Field
Capacity (MW)
Annual Generation (average GWh)
Commissioned
2
Kawerau (BoPE)
Kawerau , Bay of Plenty
Kawerau
6.3
35
1989, 1993
3
Kawerau (kA24)
Kawerau, Bay of Plenty
Kawerau
8.3
70
2008
4
Kawerau (MRP)
Kawerau, Bay of Plenty
Kawerau
100
800
2008
5
Mokai
northwest of Taupo
Mokai
112
900
2000
6
Nga Awa Purua
north of Taupo
Rotokawa
140
1100
2010
7
Ngatamariki
north of Taupo
Ngatamariki
82
600 (approx)
2013
8
Ngawha
near Kaikohe, Northland
Ngawha
25
78
1998
9
Ohaaki
between Rotorua and Taupo
Ohaaki
70
400
1989
10
Poihipi
north of Taupo
Wairakie
55
350
1997
11
Rotokawa
north of Taupo
Rotokawa
33
210
1997
12
Te Huka
north of Taupo
Tauhara
23
170 (approx)
2010
13
Wairakei
north of Taupo
Wairakei
161
1310
1958, 2005

Questions and formulas:
Question: What Field was Commissioned in 1958, 2005?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="1958, 2005"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,F2:F13="1958, 2005"),3))
Level: medium
Question: What is the Annual Generation at Kawerau (Bope)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="kawerau (bope)"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,A2:A13="kawerau (bope)"),5))
Level: medium
Question: What is the Name of the power station with a Capacity of 25 MW?
Formula: LET(query1,SUMMARIZE(A1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=25))
Formula2: LET(query1,SUMMARIZE(A2:A13,SUMX(D2:D13)),FILTER(query1,CHOOSECOLS(query1,2)=25))
Level: hard
Question: What is the Name of the power station in the Field of Mokai?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="mokai"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,C2:C13="mokai"),1))
Level: medium