Table:
0
A
B
C
D
E
1
Round
Circuit
State
Date
Winning driver
2
1
Sandown
Victoria
13 April
John Smith
3
2
Adelaide International Raceway
South Australia
27 April
John Smith
4
3
Calder Park
Victoria
1 June
John Smith
5
4
Oran Park
New South Wales
13 July
John Smith
6
5
Lakeside
Queensland
27 July
John Smith

Questions and formulas:
Question: How many rounds were run at Calder Park?
Formula: SUMIFS(A1,B1,"calder park")
Formula2: SUMIFS(A2:A6,B2:B6,"calder park")
Level: easy
Question: In which state can you find the Sandown circuit?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="sandown"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E6,B2:B6="sandown"),3))
Level: medium
Question: How many rounds were run in New South Wales?
Formula: SUMIFS(A1,C1,"new south wales")
Formula2: SUMIFS(A2:A6,C2:C6,"new south wales")
Level: easy