Table:
0
A
B
C
D
E
F
1
Location
Partner
Construction Start
Inauguration Date
Population Served
Design flow (LPM)
2
Ojojona, HON
APP
2006 June
2007 July
2000
375
3
Tamara, HON
APP
2008 January
2008 June
3500
720
4
Marcala, HON
IRWA
2007 October
2008 July
9000
1900
5
4 Comunidades, HON
APP
2008 October
2009 March
2000
375
6
Agalteca, HON
APP
2009 October
2010 June
2200
375
7
Marcala, HON Expansion
APP /ACRA
2010 November
2011 May
6000
1300
8
Alauca, El Paraiso, HON
APP
2011 May
2012 February
3600
720
9
Atima, Santa Barbara, HON
APP
2011 December
2012 May
4000
960

Questions and formulas:
Question: What Location has a Partner of app, a Population Served larger than 2000, and a Design flow (LPM) of 375?
Formula: LET(query1,LET(query1,FILTER(A1:F1,B1="app"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,5)),SUMX(CHOOSECOLS(query1,6)))),FILTER(query1,(CHOOSECOLS(query1,2)>2000)*(CHOOSECOLS(query1,3)=375)))
Formula2: LET(query1,LET(query1,FILTER(A2:F9,B2:B9="app"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,5)),SUMX(CHOOSECOLS(query1,6)))),FILTER(query1,(CHOOSECOLS(query1,2)>2000)*(CHOOSECOLS(query1,3)=375)))
Level: hard
Question: What Construction Start has an Inauguration Date of 2010 june?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,D1="2010 june"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,D2:D9="2010 june"),3))
Level: medium
Question: What Construction Start has a Design flow (LPM) of 1300?
Formula: LET(query1,SUMMARIZE(C1,SUMX(F1)),FILTER(query1,CHOOSECOLS(query1,2)=1300))
Formula2: LET(query1,SUMMARIZE(C2:C9,SUMX(F2:F9)),FILTER(query1,CHOOSECOLS(query1,2)=1300))
Level: hard
Question: What Location has a Design flow (LPM) smaller than 1900, and a Construction Start of 2006 june?
Formula: LET(query1,LET(query1,FILTER(A1:F1,C1="2006 june"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,6)))),FILTER(query1,CHOOSECOLS(query1,2)<1900))
Formula2: LET(query1,LET(query1,FILTER(A2:F9,C2:C9="2006 june"),SUMMARIZE(CHOOSECOLS(query1,1),SUMX(CHOOSECOLS(query1,6)))),FILTER(query1,CHOOSECOLS(query1,2)<1900))
Level: hard
Question: What Partner has a Construction Start of 2008 january?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="2008 january"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,C2:C9="2008 january"),2))
Level: medium
Question: What is the total Design flow (LPM) with a Partner of app, a Construction Start of 2008 january, and a Population Served larger than 3500?
Formula: SUM(FILTER(F1, (B1="app")*(C1="2008 january")*(E1>3500)))
Formula2: SUM(FILTER(F2:F9, (B2:B9="app")*(C2:C9="2008 january")*(E2:E9>3500)))
Level: easy