Table:
0
A
B
C
D
E
F
1
Round
Date
Opponent
Venue
Result
Attendance
2
R2 1st Leg
19 September 2000
Oldham Athletic
A
3-1
3,213
3
R2 2nd Leg
27 September 2000
Oldham Athletic
H
5-1
4,773
4
R3
1 November 2000
Sheffield United
H
2-1
32,283
5
R4
29 November 2000
West Ham United
A
2-1
20,853
6
QF
12 December 2000
Birmingham City
A
0-2
22,911

Questions and formulas:
Question: What round has 2-1 as the result, and A as the venue?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="2-1")*(D1="a")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(E2:E6="2-1")*(D2:D6="a")),1))
Level: medium