Table:
0
A
B
C
D
E
F
1
Round
Clubs remaining
Clubs involved
Winners from previous round
New entries this round
Leagues entering at this round
2
First round
156
86
none
86
TFF Third League & Turkish Regional Amateur League
3
Second round
113
108
43
65
Süper Lig & TFF First League & TFF Second League
4
Third round
59
54
54
none
none
5
Fourth round
32
32
27
5
Süper Lig
6
Fifth round
16
16
16
none
none
7
Group stage
8
8
8
none
none
8
Semi-finals
4
4
4
none
none
9
Final
2
2
2
none
none

Questions and formulas:
Question: How many clubs are involved when the clubs remaining are 2?
Formula: SUM(FILTER(C1, B1=2))
Formula2: SUM(FILTER(C2:C9, B2:B9=2))
Level: easy
Question: How many new entries when the leagues entering in the round are tff third league & turkish regional amateur league?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="tff third league & turkish regional amateur league"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F9,F2:F9="tff third league & turkish regional amateur league"),5))
Level: medium
Question: What is the number of clubs remaining in the second round?
Formula: SUMIFS(B1,A1,"second round")
Formula2: SUMIFS(B2:B9,A2:A9,"second round")
Level: easy
Question: Which round has 4 clubs involved?
Formula: LET(query1,SUMMARIZE(A1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Formula2: LET(query1,SUMMARIZE(A2:A9,SUMX(C2:C9)),FILTER(query1,CHOOSECOLS(query1,2)=4))
Level: hard
Question: How many clubs are involved when there are 4 winners from the previous rounds and more than 4 clubs remaining?
Formula: SUM(FILTER(C1, (D1=4)*(B1>4)))
Formula2: SUM(FILTER(C2:C9, (D2:D9=4)*(B2:B9>4)))
Level: easy