Table:
0
A
B
C
D
E
1
Rank
City
Airport
Passengers
Carriers
2
1
New York, NY
JFK
145,000
JetBlue Airways
3
2
Philadelphia, PA
PHL
90,000
US Airways
4
3
Newark, NJ
EWR
70,000
United Airlines
5
4
Chicago, IL
ORD
69,000
United Airlines
6
5
Detroit, MI
DTW
54,000
Delta Air Lines
7
6
Washington, DC (National)
DCA
52,000
US Airways
8
7
Washington, DC (Dulles)
IAD
51,000
United Airlines
9
8
New York, NY
LGA
49,000
Delta Air Lines, US Airways
10
9
Orlando, FL
MCO
31,000
JetBlue Airways
11
10
Cleveland, OH
CLE
12,000
United Airlines

Questions and formulas:
Question: What was the number of passengers going to MCO with a rank larger than 9?
Formula: SUM(FILTER(D1, (C1="mco")*(A1>9)))
Formula2: SUM(FILTER(D2:D11, (C2:C11="mco")*(A2:A11>9)))
Level: easy
Question: What was the airport with primary carrier of US Airways with a  2 ranking and more than 51,000 passengers?
Formula: LET(query1,LET(query1,FILTER(A1:E1,E1="us airways"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,(CHOOSECOLS(query1,2)>51000)*(CHOOSECOLS(query1,3)=2)))
Formula2: LET(query1,LET(query1,FILTER(A2:E11,E2:E11="us airways"),SUMMARIZE(CHOOSECOLS(query1,3),SUMX(CHOOSECOLS(query1,4)),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,(CHOOSECOLS(query1,2)>51000)*(CHOOSECOLS(query1,3)=2)))
Level: hard
Question: What city had a rank before 3 and primary carrier JetBlue Airways?
Formula: LET(query1,LET(query1,FILTER(A1:E1,E1="jetblue airways"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<3))
Formula2: LET(query1,LET(query1,FILTER(A2:E11,E2:E11="jetblue airways"),SUMMARIZE(CHOOSECOLS(query1,2),SUMX(CHOOSECOLS(query1,1)))),FILTER(query1,CHOOSECOLS(query1,2)<3))
Level: hard