Table:
0
A
B
C
D
E
F
1
Name
Street address
Years as tallest
Height ft (m)
Floors
Architect
2
Independence Hall
520 Chestnut Street
1748–1754
134 (41)
—
Edmund Woolley and Andrew Hamilton
3
Christ Church
20 North American Street
1754–1856
196 (60)
—
Robert Smith
4
Tenth Presbyterian Church
17th & Spruce Streets
1856–1900
250 (76)
—
John McArthur, Jr.
5
North American Building
121 South Broad Street
1900–1901
267 (81)
21
James H. Windrim
6
Philadelphia City Hall
Broad & Market Streets
1901–1987
548 (167)
9
John McArthur, Jr.
7
One Liberty Place
1650 Market Street
1987–2008
945 (288)
61
Helmut Jahn
8
Comcast Center
1701 John F. Kennedy Boulevard
2008–present
975 (297)
57
Robert A. M. Stern Architects

Questions and formulas:
Question: What was the address of the building with architects Edmund Woolley and Andrew Hamilton?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,F1="edmund woolley and andrew hamilton"),2))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,F2:F8="edmund woolley and andrew hamilton"),2))
Level: medium
Question: How many years as tallest building was the Tenth Presbyterian Church?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="tenth presbyterian church"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,A2:A8="tenth presbyterian church"),3))
Level: medium
Question: How many years as tallest building was Independence Hall?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="independence hall"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,A2:A8="independence hall"),3))
Level: medium
Question: What is the height of the Tenth Presbyterian Church?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,A1="tenth presbyterian church"),4))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F8,A2:A8="tenth presbyterian church"),4))
Level: medium