Table:
0
A
B
C
D
E
1
Episode #
# in Season
Episode Name
Airdate
Location
2
78
01
The Origin of Donnie (Part 1)
August 18, 2001
Borneo , Indonesia
3
79
02
The Origin of Donnie (Part 2)
August 18, 2001
Borneo , Indonesia
4
80
03
The Origin of Donnie (Part 3)
August 18, 2001
Borneo , Indonesia
5
81
04
The Origin of Donnie (Part 4)
August 18, 2001
Borneo , Indonesia
6
82
05
The Trouble With Darwin
October 31, 2001
Tanzania
7
83
06
Hot Air
June 1, 2002
Rotorua , New Zealand

Questions and formulas:
Question: What is the lowest episode # with an air date of October 31, 2001?
Formula: MINIFS(A1,D1,"october 31, 2001")
Formula2: MINIFS(A2:A7,D2:D7,"october 31, 2001")
Level: easy
Question: What is the average episode # located in Tanzania and whose # in season is larger than 5?
Formula: AVERAGE(FILTER(A1, (E1="tanzania")*(B1>5)))
Formula2: AVERAGE(FILTER(A2:A7, (E2:E7="tanzania")*(B2:B7>5)))
Level: easy
Question: What is the average episode # with a name of the origin of Donnie (part 1)?
Formula: AVERAGEIFS(A1,C1,"the origin of donnie (part 1)")
Formula2: AVERAGEIFS(A2:A7,C2:C7,"the origin of donnie (part 1)")
Level: easy
Question: Which air date has 5 for # in season?
Formula: LET(query1,SUMMARIZE(D1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=5))
Formula2: LET(query1,SUMMARIZE(D2:D7,SUMX(B2:B7)),FILTER(query1,CHOOSECOLS(query1,2)=5))
Level: hard