Table:
0
A
B
C
D
E
F
1
Team
Outgoing manager
Manner of departure
Date of vacancy
Replaced by
Date of appointment
2
Ascoli
Giuseppe Pillon
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Elio Gustinetti
1 Cannot handle non-empty timestamp argument! 2010
3
Siena
Alberto Malesani
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Antonio Conte
1 Cannot handle non-empty timestamp argument! 2010
4
Livorno
Gennaro Ruotolo
End of caretaker spell
1 Cannot handle non-empty timestamp argument! 2010
Giuseppe Pillon
1 Cannot handle non-empty timestamp argument! 2010
5
Empoli
Salvatore Campilongo
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Alfredo Aglietti
1 Cannot handle non-empty timestamp argument! 2010
6
Piacenza
Massimo Ficcadenti
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Armando Madonna
7 Cannot handle non-empty timestamp argument! 2010
7
Sassuolo
Stefano Pioli
Mutual consent
1 Cannot handle non-empty timestamp argument! 2010
Daniele Arrigoni
1 Cannot handle non-empty timestamp argument! 2010
8
Torino
Stefano Colantuono
Resigned
1 Cannot handle non-empty timestamp argument! 2010
Franco Lerda
1 Cannot handle non-empty timestamp argument! 2010
9
Atalanta
Bortolo Mutti
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Stefano Colantuono
1 Cannot handle non-empty timestamp argument! 2010
10
Crotone
Franco Lerda
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Leonardo Menichini
1 Cannot handle non-empty timestamp argument! 2010
11
Reggina
Roberto Breda
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Gianluca Atzori
1 Cannot handle non-empty timestamp argument! 2010
12
Padova
Carlo Sabatini
End of contract
1 Cannot handle non-empty timestamp argument! 2010
Alessandro Calori
2 Cannot handle non-empty timestamp argument! 2010
13
Portoguraro
Alessandro Calori
Mutual consent
2 Cannot handle non-empty timestamp argument! 2010
Eugenio Corini
5 Cannot handle non-empty timestamp argument! 2010

Questions and formulas:
Question: Please mention those appointment dates those are replaced by alfredo aglietti
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Alfredo Aglietti"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,E2:E13="Alfredo Aglietti"),6))
Level: medium
Question: Mention all the applicable team who are replaced by gianluca atzori
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,E1="Gianluca Atzori"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,E2:E13="Gianluca Atzori"),1))
Level: medium
Question: For team reggina please mention all the outgoing manager 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Reggina"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,A2:A13="Reggina"),2))
Level: medium
Question: For team ascoli please mention all the appointment date.
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Ascoli"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,A2:A13="Ascoli"),6))
Level: medium
Question: For outgoing manager is alberto malesani mention all the applicable replaced by person
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="Alberto Malesani"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,B2:B13="Alberto Malesani"),5))
Level: medium
Question: For livorno team mention all the manner of departure
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="Livorno"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F13,A2:A13="Livorno"),3))
Level: medium