Table:
0
A
B
C
D
E
F
1
Series #
Season #
Title
Directed by
Written by
Original air date
2
45
1
"Jaunt (Part 2)"
John Bell
James Nadler
September 27, 1998
3
46
2
"Comings and Goings (Part 3)"
John Bell
Tracey Forbes
October 4, 1998
4
47
3
"Heartland"
Stephen Williams
John Dolin
October 11, 1998
5
48
4
"The Kiss"
Doug Jackson
C.D. Frewer & F.J. Kennedy
October 18, 1998
6
49
5
"Absolution"
Clay Boris
Damian Kindler
October 25, 1998
7
50
6
"All Hallows Eve"
Luc Chalifour
Donald Martin
November 1, 1998
8
51
7
"Palimpsest"
Craig Pryce
Paula Smith
November 8, 1998
9
52
8
"Return"
Bruce Pittman
James Nadler
November 15, 1998
10
53
9
"Harlequin"
Ron Oliver
Larry Raskin
November 22, 1998
11
54
10
"Little People"
Craig Pryce
Rick Drew
November 29, 1998
12
55
11
"The Winding Cloth"
Clay Boris
Rick Drew
January 24, 1999
13
56
12
"Chango"
Bruce Pittman
Sarah Dodd
January 31, 1999
14
58
14
"Valentine"
Ross Clyde
Sheila Prescott-Vessey
February 14, 1999
15
60
16
"The Observer Effect"
Giles Walker
Damian Kindler
February 28, 1999
16
61
17
"School of Thought"
John Bell
Rick Drew
April 18, 1999
17
62
18
"Y2K"
Ron Oliver
C.D. Frewer & F.J. Kennedy
April 25, 1999
18
63
19
"The Tribunal"
John Bell
Jean Hurtubise
May 2, 1999
19
64
20
"John Doe"
Giles Walker
Damian Kindler
May 9, 1999
20
65
21
"Forever and a Day (Part 1)"
Ron Oliver
James Nadler
May 16, 1999

Questions and formulas:
Question: Who was the director for the episode in season #50?
Formula: LET(query1,SUMMARIZE(D1,SUMX(A1)),FILTER(query1,CHOOSECOLS(query1,2)=50))
Formula2: LET(query1,SUMMARIZE(D2:D20,SUMX(A2:A20)),FILTER(query1,CHOOSECOLS(query1,2)=50))
Level: hard
Question: How many directors were there in total for the episode with series #62?
Formula: ROWS(UNIQUE(FILTER(D1, A1=62)))
Formula2: ROWS(UNIQUE(FILTER(D2:D20, A2:A20=62)))
Level: medium
Question: What season was the episode titled "Harlequin" in?
Formula: SUMIFS(B1,C1,"Harlequin")
Formula2: SUMIFS(B2:B20,C2:C20,"Harlequin")
Level: easy