Table:
0
A
B
C
D
E
F
G
H
1
No. in series
No. in season
Title
Directed by
Written by
Original air date
Production code
U.S. viewers (million)
2
45
1
"The Magnificent Seven"
Kim Manners
Eric Kripke
October4,2007
3T6901
2.97
3
46
2
"The Kids Are Alright"
Phil Sgriccia
Sera Gamble
October11,2007
3T6902
3.16
4
47
3
"Bad Day at Black Rock"
Robert Singer
Ben Edlund
October18,2007
3T6903
3.03
5
48
4
"Sin City"
Charles Beeson
Robert Singer & Jeremy Carver
October25,2007
3T6904
3.02
6
49
5
"Bedtime Stories"
Mike Rohl
Cathryn Humphris
November1,2007
3T6905
3.24
7
50
6
"Red Sky at Morning"
Cliff Bole
Laurence Andries
November8,2007
3T6906
3.01
8
51
7
" Fresh Blood "
Kim Manners
Sera Gamble
November15,2007
3T6907
2.88
9
52
8
" A Very Supernatural Christmas "
J. Miller Tobin
Jeremy Carver
December13,2007
3T6908
3.02
10
53
9
"Malleus Maleficarum"
Robert Singer
Ben Edlund
January31,2008
3T6909
2.95
11
56
12
"Jus in Bello"
Phil Sgriccia
Sera Gamble
February21,2008
3T6911
3.23
12
57
13
"Ghostfacers"
Phil Sgriccia
Ben Edlund
April24,2008
3T6913
2.22
13
58
14
"Long Distance Call"
Robert Singer
Jeremy Carver
May1,2008
3T6914
2.63
14
59
15
"Time Is on My Side"
Charles Beeson
Sera Gamble
May8,2008
3T6915
2.55

Questions and formulas:
Question: Who was the episode writer when the viewers reached 3.03 million in the US?
Formula: LET(query1,SUMMARIZE(E1,SUMX(H1)),FILTER(query1,CHOOSECOLS(query1,2)=3.03))
Formula2: LET(query1,SUMMARIZE(E2:E14,SUMX(H2:H14)),FILTER(query1,CHOOSECOLS(query1,2)=3.03))
Level: hard
Question: Who wrote the last episode (episode 15) of season 3?
Formula: LET(query1,SUMMARIZE(E1,SUMX(B1)),FILTER(query1,CHOOSECOLS(query1,2)=15))
Formula2: LET(query1,SUMMARIZE(E2:E14,SUMX(B2:B14)),FILTER(query1,CHOOSECOLS(query1,2)=15))
Level: hard
Question: How many episodes did Cliff Bole directed in season 3?
Formula: ROWS(UNIQUE(FILTER(C1, D1="Cliff Bole")))
Formula2: ROWS(UNIQUE(FILTER(C2:C14, D2:D14="Cliff Bole")))
Level: medium