Table:
0
A
B
C
D
E
1
Ship
Pennant number
Laid down
Launched
Completed
2
Echo
H.23
20 March 1933
16 February 1934
22 October 1934
3
Eclipse
H.08
22 March 1933
12 April 1934
29 November 1934
4
Electra
H.27
15 March 1933
15 February 1934
13 September 1934
5
Encounter
H.10
15 March 1933
29 March 1934
2 November 1934
6
Escapade
H.17
30 March 1933
30 January 1934
30 August 1934
7
Escort
H.66
30 March 1933
29 March 1934
30 October 1934
8
Esk
H.15
24 March 1933
19 March 1934
28 September 1934
9
Express
H.61
24 March 1933
29 May 1934
2 November 1934
10
Exmouth (flotilla leader)
H.02
15 May 1933
7 February 1934
9 November 1934

Questions and formulas:
Question: Name what was completed on 12 april 1934
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="12 april 1934"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,D2:D10="12 april 1934"),5))
Level: medium
Question: Name the launched for 13 september 1934 completion
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="13 september 1934"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="13 september 1934"),4))
Level: medium
Question: Name the ship launched 29 may 1934
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="29 may 1934"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,D2:D10="29 may 1934"),1))
Level: medium
Question: Name the laid down for launched being 16 february 1934
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="16 february 1934"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,D2:D10="16 february 1934"),3))
Level: medium
Question: Name the pennant number for completion of 30 october 1934 and launched 29 march 1934
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,(D1="29 march 1934")*(E1="30 october 1934")),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,(D2:D10="29 march 1934")*(E2:E10="30 october 1934")),2))
Level: medium
Question: Name the laid down for completed of 22 october 1934
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="22 october 1934"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E10,E2:E10="22 october 1934"),3))
Level: medium