Table:
0
A
B
C
D
E
F
G
1
No. in series
No. in season
Title
Country
Project
Status at production
Original air date
2
70
1
"Rebuilding New York City's Subway"
United States
New York City subway expansion
Under construction
April8,2011
3
71
2
"Drought-Proofing Australia"
Australia
Wonthaggi desalination plant
Under construction
April15,2011
4
72
3
"Azerbaijan's Amazing Transformation"
Azerbaijan
Flame Towers and Heydar Aliyev Cultural Centre
Under construction
April22,2011
5
73
4
"London's Olympic Aquatic Stadium"
United Kingdom
London Aquatics Centre
Under construction
April29,2011
6
74
5
"Constructing Serbia's Largest Bridge"
Serbia
Ada Bridge
Under construction
June18,2011
7
75
6
"Amsterdam's Futuristic Floating City"
Netherlands
Netherlands land expansion
Under construction
June25,2011
8
76
7
"Building Mumbai 's Modern Airport"
India
Chhatrapati Shivaji International Airport
Under construction
July2,2011

Questions and formulas:
Question: In what country did the  "amsterdam's futuristic floating city" project take place?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="Amsterdam's Futuristic Floating City"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,C2:C8="Amsterdam's Futuristic Floating City"),4))
Level: medium
Question: What is the status of the London Aquatics Centre project at the time of production?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,E1="London Aquatics Centre"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,E2:E8="London Aquatics Centre"),6))
Level: medium
Question: What was the original are date of series number 71?
Formula: LET(query1,SUMMARIZE(G1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=71))
Formula2: LET(query1,SUMMARIZE(G2:G8,SUMX(A2:A8)),FILTER(query1,CHOOSECOLS(query1,2)=71))
Level: hard
Question: What series number was the "rebuilding new york city's subway" project?
Formula: SUMIFS(A1,C1,"Rebuilding New York City's Subway")
Formula2: SUMIFS(A2:A8,C2:C8,"Rebuilding New York City's Subway")
Level: easy
Question: What is the status of the "azerbaijan's amazing transformation" project at the time of production?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="Azerbaijan's Amazing Transformation"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G8,C2:C8="Azerbaijan's Amazing Transformation"),6))
Level: medium