Table:
0
A
B
C
D
E
1
DVD name
Ep No.
DVD No.
Release date
Additional information
2
Volume 2
13
1
2009
Includes the entire second Season.
3
Volume 3
12
1
2009
Includes episodes 1–12 of Season 3.
4
Volume 4
12
1
2009
Includes episodes 13–24 of Season 3.
5
Volume 5
12
1
2009
Includes episodes 25–37 of Season 3.
6
Volume 7
13
1
2009
Includes episodes 2–14 of Season 4.

Questions and formulas:
Question: What is the largest number of DVDs?
Formula: MAX(C1)
Formula2: MAX(C2:C6)
Level: easy
Question: What is the highest number of episodes?
Formula: SUM(B1)
Formula2: SUM(B2:B6)
Level: easy
Question: What is the most recent release date?
Formula: MAX(D1)
Formula2: MAX(D2:D6)
Level: easy
Question: How many release dates does volume 4 DVD have?
Formula: ROWS(UNIQUE(FILTER(D1, A1="Volume 4")))
Formula2: ROWS(UNIQUE(FILTER(D2:D6, A2:A6="Volume 4")))
Level: medium