Table:
0
A
B
C
D
E
1
Date
Venue
Score
Result
Competition
2
March 30, 2008
Iquitos , Peru
3-1
Win
Friendly
3
May 31, 2008
Huelva , Spain
1-2
Loss
Friendly
4
September 9, 2009
Lima , Peru
1-0
Win
2010 FIFA World Cup qualification (CONMEBOL)
5
October 10, 2009
Buenos Aires , Argentina
1-2
Loss
2010 FIFA World Cup qualification (CONMEBOL)
6
November 18, 2009
Miami , USA
2-1
Win
Friendly
7
October 8, 2010
Lima , Peru
2-0
Win
Friendly

Questions and formulas:
Question: When did the score of 2-0 take place?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="2-0"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E7,C2:C7="2-0"),1))
Level: medium