Table:
0
A
B
C
D
E
F
1
Summoned
Elected
Assembled
Dissolved
1st member
2nd member
2
14 August 1553
1553
5 October 1553
5 December 1553
Edmund Mordaunt
Thomas Leigh
3
17 February 1554
1554
2 April 1554
3 May 1554
Edmund Mordaunt
Thomas Leigh
4
3 October 1554
1554
12 November 1554
16 January 1555
William Hall
John Williams
5
3 September 1555
1555
21 October 1555
9 December 1555
unknown
unknown
6
6 December 1557
1557/58
20 January 1558
17 November 1558
George Gascoigne
Thomas Leigh

Questions and formulas:
Question: Who was the 1st member with 2nd member Thomas Leigh and was elected in 1557/58?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(F1="thomas leigh")*(B1="1557/58")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,(F2:F6="thomas leigh")*(B2:B6="1557/58")),5))
Level: medium
Question: Who is the second member that was elected in 1555?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="1555"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,B2:B6="1555"),6))
Level: medium
Question: Who was dissolved that was elected in 1553?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,B1="1553"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F6,B2:B6="1553"),4))
Level: medium