Table:
0
A
B
C
D
E
F
1
Outcome
Year
Pro Slam Championship
Surface
Opponent in the final
Score in the final
2
Runner-up
1942
US Pro
Grass
Don Budge
2–6, 2–6, 2–6
3
Winner
1946
US Pro
Grass
Don Budge
6–3, 6–1, 6–1
4
Winner
1947
US Pro
Grass
Don Budge
3–6, 6–3, 10–8, 4–6, 6–3
5
Runner-up
1948
US Pro
Grass
Jack Kramer
12–14, 2–6, 6–3, 3–6
6
Runner-up
1949
Wembley Pro
Indoor
Jack Kramer
6–2, 4–6, 3–6, 4–6
7
Winner
1949
US Pro
Grass
Don Budge
9–7, 3–6, 6–3, 7–5

Questions and formulas:
Question: What is Opponent In The Final, when Year is "1942"?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1=1942),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7=1942),5))
Level: medium
Question: What is the average Year, when Outcome is "Winner"?
Formula: AVERAGEIFS(B1,A1,"winner")
Formula2: AVERAGEIFS(B2:B7,A2:A7,"winner")
Level: easy