Table:
0
A
B
C
D
E
F
1
Year
Stage
Category
Start
Finish
Leader at the summit
2
1994
15
HC
Montpellier
Carpentras
Eros Poli ( ITA )
3
1974
12
1
Savines-le-Lac
Orange
Gonzalo Aja ( ESP )
4
1967
13
1
Marseille
Carpentras
Julio Jiménez ( ESP )
5
1955
11
1
Marseille
Avignon
Louison Bobet ( FRA )
6
1952
14
1
Aix-en-Provence
Avignon
Jean Robic ( FRA )
7
1951
18
1
Montpellier
Avignon
Lucien Lazarides ( FRA )

Questions and formulas:
Question: Which category had an orange finish?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="orange"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,E2:E7="orange"),3))
Level: medium
Question: What is the lowest year for stage 12, category 1?
Formula: MIN(FILTER(A1, (C1=1)*(B1=12)))
Formula2: MIN(FILTER(A2:A7, (C2:C7=1)*(B2:B7=12)))
Level: easy
Question: What is the start of stage 11?
Formula: LET(query1,SUMMARIZE(D1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=11))
Formula2: LET(query1,SUMMARIZE(D2:D7,SUMX(B2:B7)),FILTER(query1,CHOOSECOLS(query1,2)=11))
Level: hard