Table:
0
A
B
C
D
E
1
Season No.
Season Start
Season End
Episodes
Host
2
1
4 August 2002
8 December 2002
19
Alan Kohler
3
2
9 February 2003
30 November 2003
41
Alan Kohler
4
3
15 February 2004
5 December 2004
41
Alan Kohler
5
4
13 February 2005
4 December 2005
42
Alan Kohler
6
5
12 February 2006
10 December 2006
43
Alan Kohler
7
6
11 February 2007
9 December 2007
43
Alan Kohler

Questions and formulas:
Question: How may episodes did season 1 have?
Formula: SUM(FILTER(D1, A1=1))
Formula2: SUM(FILTER(D2:D7, A2:A7=1))
Level: easy