Table:
0
A
B
C
D
E
F
1
Event
Season
Compulsory Dance (CD)
Original Dance (OD)
Free Dance (FD)
Combined Total Score
2
European Figure Skating Championships
2008 - 2009
23.75
44.56
66.67
134.98
3
British Figure Skating Championships
2009 - 2010
27.14
48.87
76.38
152.39
4
British Figure Skating Championships
2008 - 2009
20.03
45.52
67.51
133.06
5
British Figure Skating Championships
2007 - 2008
23.83
48.25
73.05
145.13
6
British Figure Skating Championships
2006 - 2007
15.99
34.17
57.11
107.27
7
Mont Blanc Trophy
2009 - 2010
28.12
45.16
71.36
144.64
8
NRW Trophy
2009 - 2010
29.46
49.25
77.34
156.05
9
Ice Challenge
2009 - 2010
28.30
47.20
74.65
150.15
10
Pavel Roman Memorial
2008 - 2009
27.32
46.77
70.08
144.17
11
Nebelhorn Trophy
2009 - 2010
29.02
45.06
72.14
146.22

Questions and formulas:
Question: What was the free dance score in the event where compulsory dance score was 15.99? 
Formula: SUM(FILTER(E1, C1=15.99))
Formula2: SUM(FILTER(E2:E11, C2:C11=15.99))
Level: easy
Question: How many original dance scores are listed in the event where the compulsory dance was 20.03? 
Formula: SUM(FILTER(D1, C1=20.03))
Formula2: SUM(FILTER(D2:D11, C2:C11=20.03))
Level: easy
Question: In what even was the compulsory dance scored 23.75? 
Formula: LET(query1,SUMMARIZE(A1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)=23.75))
Formula2: LET(query1,SUMMARIZE(A2:A11,SUMX(C2:C11)),FILTER(query1,CHOOSECOLS(query1,2)=23.75))
Level: hard
Question: In what event was the compulsory dance score 28.12? 
Formula: LET(query1,SUMMARIZE(A1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)=28.12))
Formula2: LET(query1,SUMMARIZE(A2:A11,SUMX(C2:C11)),FILTER(query1,CHOOSECOLS(query1,2)=28.12))
Level: hard