Table:
0
A
B
C
D
E
1
Name
Location
Years as tallest
Height metres / ft
Floors
2
White Tower
Tower Hill
1098–1310
01.0 27 / 90
03.0 N/A
3
Old St Paul's Cathedral [A ]
City of London
1310–1666
07.0 150 / 493 [B ]
08.0 N/A
4
Southwark Cathedral
Southwark
1666–1677
02.0 50 / 163
04.0 N/A
5
Monument to the Great Fire of London
City of London
1677–1683
03.0 62 / 202
05.0 N/A
6
St Mary-le-Bow
City of London
1683–1710
04.0 72 / 236
06.0 N/A
7
St Paul's Cathedral
City of London
1710–1939
05.0 111 / 365
07.0 N/A
8
Battersea Power Station [D ]
Kirtling Street
1939–1950
06.0 113 / 370
01.0 10
9
Crystal Palace transmitting station [C ]
Crystal Palace Park
1950–1991
08.0 219 / 720
09.0 N/A
10
One Canada Square
Canary Wharf
1991–2010
09.0 235 / 771
02.0 50
11
Shard London Bridge
Southwark
2010—
306 / 1004
87

Questions and formulas:
Question: Which Floors has a Location of tower hill?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,B1="tower hill"),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,B2:B11="tower hill"),5))
Level: medium
Question: Which Location has a Floors of 03.0 n/a?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="03.0 n/a"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,E2:E11="03.0 n/a"),2))
Level: medium
Question: Name the Height metres / ft of Floors of 05.0 n/a?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,E1="05.0 n/a"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,E2:E11="05.0 n/a"),4))
Level: medium
Question: Name the Years as tallest that has Height metres / ft of 01.0 27 / 90?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,D1="01.0 27 / 90"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,D2:D11="01.0 27 / 90"),3))
Level: medium
Question: Name the Height metres / ft of Years with tallest of 1098–1310?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:E1,C1="1098–1310"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:E11,C2:C11="1098–1310"),4))
Level: medium