Table:
0
A
B
C
D
E
F
G
1
film id
rank in series
number in season
title
directed by
original air date
production code
2
1
26
1
The Case of the Mystery Weekend
Bill Schreiner
September 21�?5, 1992
50021�?0025
3
2
27
2
The Case of the Smart Dummy
Bill Schreiner
September 28–October 2, 1992
50231�?0235
4
3
28
3
The Case: Off the Record
Bill Schreiner
October 5�?, 1992
50011�?0015
5
4
29
4
The Case of the Bermuda Triangle
Jesus Salvador Treviño
October 12�?6, 1992
50251�?0255
6
5
30
5
The Case of the Piggy Banker
Bill Schreiner
October 19�?3, 1992
50241�?0245

Questions and formulas:
Question: List all directors along with the number of films directed by each director.
Formula: SUMMARIZE(E1,SUMX(A1))
Formula2: SUMMARIZE(E2:E6,SUMX(A2:A6))
Level: easy
Question: number of films each director has directed
Formula: SUMMARIZE(E1,SUMX(A1))
Formula2: SUMMARIZE(E2:E6,SUMX(A2:A6))
Level: easy
Question: the number of films by different directors.
Formula: SUMMARIZE(E1,DCOUNTX(A1))
Formula2: SUMMARIZE(E2:E6,DCOUNTX(A2:A6))
Level: easy