Table:
0
A
B
C
D
E
F
1
Summoned
Elected
Assembled
Dissolved
1st member
2nd member
2
23 May 1461
1461
4 November 1461
6 May 1462
unknown
unknown
3
22 December 1462
1462/63
29 April 1463
28 March 1465
unknown
unknown
4
28 February 1467
1467
3 June 1467
7 June 1468
John Boston
William Colet , jnr.
5
19 August 1472
1472
6 October 1472
14 March 1475
John Boston
Thomas Adams
6
20 November 1477
1477/78
16 January 1478
26 February 1478
William Colet
Thomas Adams
7
15 November 1482
1482/83
20 January 1483
18 February 1483
unknown
unknown

Questions and formulas:
Question: What is the dissolved date of the parliament assembled on 3 June 1467?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="3 june 1467"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,C2:C7="3 june 1467"),4))
Level: medium
Question: What is the dissolved date of the parliament assembled on 4 November 1461?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,C1="4 november 1461"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,C2:C7="4 november 1461"),4))
Level: medium
Question: What is the assembled date of the parliament with an unknown 2nd member who was elected in 1482/83?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(F1="unknown")*(B1="1482/83")),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,(F2:F7="unknown")*(B2:B7="1482/83")),3))
Level: medium
Question: What is the dissolved date of the parliament assembled on 4 November 1461 with an unknown 2nd member?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(F1="unknown")*(C1="4 november 1461")),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,(F2:F7="unknown")*(C2:C7="4 november 1461")),4))
Level: medium
Question: Who is the 2nd member elected in 1461?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="1461"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,B2:B7="1461"),6))
Level: medium
Question: What is the dissolved date of the parliament summoned on 28 February 1467?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="28 february 1467"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F7,A2:A7="28 february 1467"),4))
Level: medium