Table:
0
A
B
C
D
E
F
1
Series #
Season #
Title
Directed by
Written by
Original air date
2
173
1
"Seer of Love"
Tony Singletary
Michele J. Wolff
September28,1991
3
174
2
"An Affair to Forget"
Tony Singletary
Gene Braunstein
October5,1991
4
175
3
"Misery"
Tony Singletary
Clay Graham
October12,1991
5
176
4
"Selling Sam Short"
Tony Singletary
Linda Va Salle & Mike Teverbaugh
October19,1991
6
177
5
"Tony Bags a Big One"
Tony Singletary
Michele J. Wolff
October26,1991
7
178
6
"A Well-Kept Housekeeper"
Tony Singletary
Danny Kallis , Phil Doran & Bob Rosenfarb
November2,1991
8
179
7
"Death and Love (Part 1)"
Tony Singletary
Bob Rosenfarb, Danny Kallis & Phil Doran
November9,1991
9
180
8
"Death and Love (Part 2)"
Tony Singletary
Bob Rosenfarb, Danny Kallis & Phil Doran
November16,1991
10
181
9
"Grandmommie Dearest"
Tony Singletary
Gene Braunstein
November23,1991
11
184
12
"Tony, Can You Spare a Dime?"
Tony Singletary
Gene Braunstein & Michele J. Wolff
January4,1992
12
185
13
"Mrs. Al"
Tony Singletary
Linda Va Salle & Mike Teverbaugh
January11,1992
13
186
14
"Who's the Boss?"
Tony Singletary
Linda Va Salle & Mike Teverbaugh
January25,1992
14
187
15
"Tony Micelli, This is Your Other Life"
Tony Singletary
Michele J. Wolff
February1,1992
15
188
16
"Allergic to Love"
Tony Singletary
Adam I. Lapidus
February8,1992
16
191
19
"Tony and the Honeymooners"
Tony Singletary
Gene Braunstein
February29,1992

Questions and formulas:
Question: Name the number of titles written by adam i. lapidus
Formula: ROWS(UNIQUE(FILTER(C1, E1="Adam I. Lapidus")))
Formula2: ROWS(UNIQUE(FILTER(C2:C16, E2:E16="Adam I. Lapidus")))
Level: medium