Table:
0
A
B
C
D
E
1
Operator
Shipyard
Project
Commissioned
Status
2
People's Republic of China
Saint Petersburg
636
26 August 1997
active as of 2006
3
People's Republic of China
Saint Petersburg
636
25 October 1998
active as of 2006
4
People's Republic of China
Saint Petersburg
636M
20 October 2004
active as of 2006
5
People's Republic of China
Saint Petersburg
636M
2005
active as of 2006
6
People's Republic of China
Saint Petersburg
636M
2006
active as of 2006
7
People's Republic of China
Nizhniy Novgorod
636M
05.08.2005
active as of 2007
8
People's Republic of China
Severodvinsk
636M
30 December 2005
active as of 2006
9
Algeria
Saint Petersburg
636M
28 August 2009
active
10
Algeria
Saint Petersburg
636M
29 October 2009
active
11
Russia
Saint Petersburg
636.3
pl.2014
laid down
12
Russia
Saint Petersburg
636.3
pl.2015
ordered
13
Russia
Saint Petersburg
636.3
pl.2016
ordered
14
Vietnam
Saint Petersburg
636M
pl.2013
ordered
15
Vietnam
Saint Petersburg
636M
pl.2014
ordered
16
Vietnam
Saint Petersburg
636M
pl.2015
ordered
17
Vietnam
Saint Petersburg
636M
pl.2016
ordered

Questions and formulas:
Question: What is the commissioned for Vietnam?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,A1="vietnam"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,A2:A17="vietnam"),4))
Level: medium
Question: What is the commissioned with a 636.3 project, and ordered status?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(C1=636.3)*(E1="ordered")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E17,(C2:C17=636.3)*(E2:E17="ordered")),4))
Level: medium