Table:
0
A
B
C
D
E
1
Country
Chart
Period
Peak position
Sales
2
South Korea
Monthly Chart
July 2006
#16
161,452
3
South Korea
Monthly Chart
August 2006
#1
40,440
4
South Korea
Monthly Chart
September 2006
#21
8,185
5
South Korea
Monthly Chart
October 2006
#24
3,358
6
South Korea
Yearly Chart
2006
#3
215,641
7
Taiwan
G-Music J-Pop/K-Pop Chart
Week 40 (6 - 12 October 2006)
#5
2.68%
8
Taiwan
Five Music J-Pop/K-Pop Chart
Week 41 (6 - 12 October 2006)
#1
9.93%

Questions and formulas:
Question: Name the period for south korea with peak position of #1
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1="south korea")*(D1="#1")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(A2:A8="south korea")*(D2:D8="#1")),3))
Level: medium
Question: Name the period for south korea with peak position of #24
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(A1="south korea")*(D1="#24")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,(A2:A8="south korea")*(D2:D8="#24")),3))
Level: medium
Question: Name the period for Chart of g-music j-pop/k-pop chart
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="g-music j-pop/k-pop chart"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,B2:B8="g-music j-pop/k-pop chart"),3))
Level: medium
Question: Name the sales with peak position of #24
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="#24"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="#24"),5))
Level: medium