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

Questions and formulas:
Question: What's the minimal number of population served?
Formula: SUM(E1)
Formula2: SUM(E2:E8)
Level: easy
Question: Who's the partner at Tamara, Hon?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Tamara, HON"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,A2:A8="Tamara, HON"),2))
Level: medium