Question: Please answer SQL query 1. Cities having at least one airport for which the number of track is not known, showing the name,nation and population

Please answer

SQL query

1. Cities having at least one airport for which the number of track is not known, showing the name,nation and population of such cities

City

Airport

for which the number of track is not known, showing the name,nation

Flight

Plane

z Rmove AIl Sort & Filter Records Name Nation Population Click to Add Belfas Chicago Denver Edmonton UK USA USA CA JP FR UK FR 330000 2700000 900000 1400000 175000 8700000 Le Havre London MontrealCA 1700000 12200000 8500000 2200000 1600000 640000 700000 4000000 13600000 650000 Moscow RS USA FR AU USA USA AU JP New York Perth Portland Seattle Vancouver CA

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