Table:
0
A
B
C
D
E
F
1
Name (year commissioned)
Owner/operator
Length
Maximum diameter
From/to
Licence number
2
Dampier to Bunbury Natural Gas Pipeline (1984)
Dampier Bunbury Pipeline
1,530km
660 mm
Dampier to Bunbury
PL 40
3
Goldfields Gas Transmission Pipeline (1996)
GGT Joint venture (APA Group & Others)
1,426km
400 mm
Near Compressor Station 1 to Kalgoorlie
PL 24
4
Parmelia Pipeline (1971)
APA Group
416 km
356 mm
Dongara to Pinjarra
PL 1
5
Pilbara Energy Pipeline (1996)
Epic Energy
215 km
450 mm
Karratha to Port Hedland
PL 22
6
Mid West Gas Pipeline (1999)
APA Group and Western Power
352 km
219 mm
Geraldton to Windimurra
PL 43
7
Kambalda Esperance Pipeline (2003)
Esperance Pipeline Co
340 km
150 mm
Kambalda to Esperance
PL 59

Questions and formulas:
Question: What is the length for a diameter totaling 450 mm?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="450 mm"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,D2:D7="450 mm"),3))
Level: medium
Question: What is Esperance pipeline co total diameter?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Esperance Pipeline Co"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="Esperance Pipeline Co"),4))
Level: medium