Table:
0
A
B
C
D
E
F
1
Length/Fuel
Model
Year Built
Quantity
Floor Styling
Wheelchair access
2
40ft./Diesel Bus
Neoplan AN440
2000-2003
206
High
Yes
3
40ft./ Diesel-electric Hybrid Bus
Orion Bus VII
2007
56
Semi-low
Yes
4
30ft./ Diesel-electric Hybrid Bus
Orion Bus VII
2007
30
Semi-low
Yes
5
60ft./ Articulated Diesel Bus
Neoplan AN460
2002-2003
124
High
Yes
6
40ft./ Diesel-electric Hybrid Bus
New Flyer Industries XDE40
2013
62
Semi-low
Yes
7
40ft./ Trolleybus
ETI 14TrSF
2001-2003 (first two were built in 1999)
240
High
Yes
8
60ft./ Articulated Trolleybus
New Flyer E60HF
1992-1994
28
High
Yes
9
60ft./ Articulated Trolleybus
ETI 15TrSF
2003
33
High
Yes
10
Light-Rail Vehicle
Breda LRV2/LRV3
1997-2003
151
High
Yes, at certain stops.
11
Historic Streetcar
PCC
1946-1952
32
High
Yes, at most F-line stops.
12
Historic Streetcar
Peter Witt
1928
11
High
Yes, at most F-line stops.
13
Historic Streetcar
Various
1912-
7
High
Yes, at most F-line stops.
14
Cable Car
Various
1873-
40
High
No

Questions and formulas:
Question: What is the Length/Fuel of the bus with a Quantity of 30?
Formula: LET(query1,SUMMARIZE(A1,SUMX(D1)),FILTER(query1,CHOOSECOLS(query1,2)=30))
Formula2: LET(query1,SUMMARIZE(A2:A14,SUMX(D2:D14)),FILTER(query1,CHOOSECOLS(query1,2)=30))
Level: hard
Question: What is the Length/Fuel of the bus built between 2000-2003 with a high Floor Styling?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:F1,(E1="high")*(C1="2000-2003")),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:F14,(E2:E14="high")*(C2:C14="2000-2003")),1))
Level: medium