Table:
0
A
B
C
D
E
F
G
H
1
Suburb
Population (in 2008)
Median age (in 2006)
Mean household size (in 2006)
Area (km²)
Density (/km²)
Date first settled as a suburb
Gazetted as a Division Name
2
Chifley
2325
36 years
2.3 persons
1.6
1453
1966
12 May 1966
3
Curtin
5133
41 years
2.5 persons
4.8
1069
1962
20 September 1962
4
Farrer
3360
41 years
2.7 persons
2.1
1600
1967
12 May 1966
5
Garran
3175
39 years
2.5 persons
2.7
1175
1966
12 May 1966
6
Hughes
2898
41 years
2.5 persons
1.8
1610
1963
20 September 1962
7
Isaacs
2424
45 years
2.6 persons
3.1
781
1986
12 May 1966
8
Lyons
2444
38 years
2.1 persons
2.3
1062
1965
20 September 1962
9
Mawson
2861
40 years
2.2 persons
2.1
1362
1967
12 May 1966
10
O'Malley
684
47 years
3.1 persons
2.6
263
1973
12 May 1966
11
Pearce
2509
41 years
2.3 persons
1.7
1475
1967
12 May 1966
12
Phillip
1910
32 years
1.7 persons
2.6
734
1966
12 May 1966

Questions and formulas:
Question: What is the lowest date settled for chifley?
Formula: MINIFS(G1,A1,"Chifley")
Formula2: MINIFS(G2:G12,A2:A12,"Chifley")
Level: easy
Question: What is the density in Garran?
Formula: SUMIFS(F1,A1,"Garran")
Formula2: SUMIFS(F2:F12,A2:A12,"Garran")
Level: easy
Question: What is the date settled for 40 years?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,C1="40 years"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H12,C2:C12="40 years"),7))
Level: medium
Question: What is the median age where the area is 1.7?
Formula: LET(query1,SUMMARIZE(C1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=1.7))
Formula2: LET(query1,SUMMARIZE(C2:C12,SUMX(E2:E12)),FILTER(query1,CHOOSECOLS(query1,2)=1.7))
Level: hard