Table:
0
A
B
C
D
E
1
Elected
Assembled
Dissolved
First member
Second member
2
1604
19 March 1604
9 February 1611
Sir James Scudamore
Sir Herbert Croft
3
1614
5 April 1614
7 June 1614
Sir James Scudamore
Sir Herbert Croft
4
1621
16 January 1621
8 February 1622
Sir John Scudamore, Bt
Fitzwilliam Coningsby
5
1624
12 February 1624
27 March 1625
Sir John Scudamore, Bt
Sir Robert Harley
6
1625
17 May 1625
12 August 1625
John Rudhale
Sir Giles Brydges, Bt
7
1626
6 February 1626
15 June 1626
Sir Robert Harley
Sir Walter Pye
8
1628
17 March 1628
10 March 1629
Sir Giles Brydges, Bt
Sir Walter Pye

Questions and formulas:
Question: How many different second members were there when John rudhale was first member?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="John Rudhale"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="John Rudhale"),5))
Level: medium
Question: What date was parliament assembled when John rudhale was first member?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="John Rudhale"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E8,D2:D8="John Rudhale"),2))
Level: medium