Table:
0
A
B
C
D
E
F
1
Round
Date
Matches
Clubs
New entries this round
Prize money
2
Extra Preliminary Round
18 August 2007
171
729 → 558
none
£500
3
Preliminary Round
1 September 2007
166
558 → 392
161: 227th–387th
£1,000
4
First Round Qualifying
15 September 2007
116
392 → 276
66: 161st–226th
£2,250
5
Second Round Qualifying
29 September 2007
80
276 → 196
44: 117th–160th
£3,750
6
Third Round Qualifying
13 October 2007
40
196 → 156
none
£5,000
7
Fourth Round Qualifying
27 October 2007
32
156 → 124
24: 93rd–116th
£10,000
8
First Round Proper
10 November 2007
40
124 → 84
48: 45th–92nd
£16,000
9
Second Round Proper
1 December 2007
20
84 → 64
none
£24,000
10
Third Round Proper
5 January 2008
32
64 → 32
44: 1st–44th
£40,000
11
Fourth Round Proper
26 January 2008
16
32 → 16
none
£60,000
12
Fifth Round Proper
16 February 2008
8
16 → 8
none
£120,000
13
Sixth Round Proper (Quarter finals)
8 March 2008
4
8 → 4
none
£300,000
14
Semi-finals
5 April 2008
2
4 → 2
none
£900,000
15
Final
17 May 2008
1
2 → 1
none
£1,000,000

Questions and formulas:
Question: How many matches were there in the round with £1,000,000 in prize money?
Formula: SUMIFS(C1,F1,"£1,000,000")
Formula2: SUMIFS(C2:C15,F2:F15,"£1,000,000")
Level: easy
Question: What was the date for a round that only had 1 match?
Formula: LET(query1,SUMMARIZE(B1,SUMX(C1)),FILTER(query1,CHOOSECOLS(query1,2)=1))
Formula2: LET(query1,SUMMARIZE(B2:B15,SUMX(C2:C15)),FILTER(query1,CHOOSECOLS(query1,2)=1))
Level: hard