Table:
0
A
B
C
D
E
F
1
Year
Character
Title
Author
Artist
Imprint
2
2005
I
Zaregoto series
Nisio Isin
Take
Kodansha Novels
3
2006
I
Zaregoto series
Nisio Isin
Take
Kodansha Novels
4
2007
Mikoto Sayama
Owari no Chronicle (Ahead series)
Minoru Kawakami
Satoyasu
Dengeki Bunko
5
2008
Sousuke Sagara
Full Metal Panic!
Shoji Gatoh
Shikidouji
Fujimi Fantasia Bunko
6
2009
Hideyoshi Kinoshita
Baka to Test to Shōkanjū
Kenji Inoue
Yui Haga
Famitsu Bunko
7
2010
Hideyoshi Kinoshita
Baka to Test to Shōkanjū
Kenji Inoue
Yui Haga
Famitsu Bunko
8
2011
Tōma Kamijō
Toaru Majutsu no Index
Kazuma Kamachi
Kiyotaka Haimura
Dengeki Bunko
9
2012
Kazuto Kirigaya / Kirito
Sword Art Online
Reki Kawahara
Abec
Dengeki Bunko
10
2013
Kazuto Kirigaya / Kirito
Sword Art Online
Reki Kawahara
Abec
Dengeki Bunko

Questions and formulas:
Question: what is the average year when the title is baka to test to shōkanjū?
Formula: AVERAGEIFS(A1,C1,"baka to test to shōkanjū")
Formula2: AVERAGEIFS(A2:A10,C2:C10,"baka to test to shōkanjū")
Level: easy
Question: what is the title when the imprint is dengeki bunko and the artist is kiyotaka haimura?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(F1="dengeki bunko")*(E1="kiyotaka haimura")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,(F2:F10="dengeki bunko")*(E2:E10="kiyotaka haimura")),3))
Level: medium
Question: what is the imprint when the title is owari no chronicle (ahead series)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="owari no chronicle (ahead series)"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,C2:C10="owari no chronicle (ahead series)"),6))
Level: medium
Question: what is the earliest year when the author is reki kawahara?
Formula: MINIFS(A1,D1,"reki kawahara")
Formula2: MINIFS(A2:A10,D2:D10,"reki kawahara")
Level: easy
Question: who is the character when the artist is take and the year is before 2006?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="take")*(A1<2006)),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F10,(E2:E10="take")*(A2:A10<2006)),2))
Level: medium