Table:
0
A
B
C
D
E
F
G
1
Team
Outgoing head coach
Manner of departure
Date of vacancy
Position in table
Incoming head coach
Date of appointment
2
Rah Ahan
Rasoul Korbekandi
Sacked
7 Sep 2010
18
Mehdi Tartar
8 Sep 2010
3
Paykan
Mohammad Ahmadzadeh
Resigned
10 Oct 2010
18
Hamid Alidousti
15 Oct 2010
4
Steel Azin
Ljubiša Tumbaković
Sacked
13 Oct 2010
13
Afshin Peyrovani
14 Oct 2010
5
Shahrdari Tabriz
Akbar Misaghian
Resigned
22 Oct 2010
17
Hamid Derakhshan
26 Oct 2010
6
Saba Qom
Mahmoud Yavari
Sacked
25 Oct 2010
8
Abdollah Veysi
2 Nov 2010
7
Steel Azin
Afshin Peyrovani
Resigned
23 Nov 2010
18
Mohammad Khakpour
6 Dec 2010
8
PAS Hamedan
Ali Asghar Modir Roosta
Resigned
8 Dec 2010
13
Mahmoud Yavari
12 Dec 2010
9
Sanat Naft
Acácio Casimiro
Sacked
24 Feb 2011
9
Gholam Hossein Peyrovani
7 Mar 2011
10
Steel Azin
Mohammad Khakpour
Resigned
3 Mar 2011
18
Mahmoud Yavari
14 Mar 2011
11
PAS Hamedan
Mahmoud Yavari
Resigned
8 Mar 2011
18
Ali Asghar Modir Roosta
10 Mar 2011
12
Shahin Bushehr
Hamid Estili
Sacked
2 Apr 2011
16
Akbar Misaghian
4 Apr 2011

Questions and formulas:
Question: Who is the outgoing head coach when the incoming head coach is abdollah veysi?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="Abdollah Veysi"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,F2:F12="Abdollah Veysi"),2))
Level: medium
Question: When is the date of appointment when the position in table is 16?
Formula: LET(query1,SUMMARIZE(G1,SUMX(E1)),FILTER(query1,CHOOSECOLS(query1,2)=16))
Formula2: LET(query1,SUMMARIZE(G2:G12,SUMX(E2:E12)),FILTER(query1,CHOOSECOLS(query1,2)=16))
Level: hard
Question: How many times is the incoming head coach abdollah veysi?
Formula: ROWS(UNIQUE(FILTER(A1, F1="Abdollah Veysi")))
Formula2: ROWS(UNIQUE(FILTER(A2:A12, F2:F12="Abdollah Veysi")))
Level: medium
Question: What is the team with the date of vacancy 8 dec 2010?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="8 Dec 2010"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,D2:D12="8 Dec 2010"),1))
Level: medium
Question: What is the manner of departure when the incoming head coach is mohammad khakpour?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,F1="Mohammad Khakpour"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,F2:F12="Mohammad Khakpour"),3))
Level: medium