Table:
0
A
B
C
D
E
F
1
Event
Performance
Athlete
Nation
Place
Date
2
5000 m
14:11.15
Tirunesh Dibaba
Ethiopia
Oslo , Norway
June 6
3
One hour run
18,517 m
Dire Tune
Ethiopia
Ostrava, Czech Republic
June 12
4
3000 m steeplechase
8:58.81
Gulnara Galkina-Samitova
Russia
Beijing, China
August 17
5
Pole vault
5.03 m
Yelena Isinbayeva
Russia
Rome , Italy
July 11
6
Pole vault
5.04 m
Yelena Isinbayeva
Russia
Monte Carlo , Monaco
July 29
7
Pole vault
5.05 m
Yelena Isinbayeva
Russia
Beijing, China
August 18
8
Javelin throw
72.28
Barbora Špotáková
Czech Republic
Stuttgart , Germany
September 13

Questions and formulas:
Question: What's the date when Yelena Isinbayeva for Russia was in Beijing, China?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(D1="russia")*(E1="beijing, china")*(C1="yelena isinbayeva")),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,(D2:D8="russia")*(E2:E8="beijing, china")*(C2:C8="yelena isinbayeva")),6))
Level: medium
Question: What's the performance of Dire Tune?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="dire tune"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,C2:C8="dire tune"),2))
Level: medium
Question: What place had 14:11.15 as the performance?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="14:11.15"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,B2:B8="14:11.15"),5))
Level: medium
Question: What's the event that had a performance of 14:11.15 by Ethiopia?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(D1="ethiopia")*(B1="14:11.15")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,(D2:D8="ethiopia")*(B2:B8="14:11.15")),1))
Level: medium