Question: In which yearly change was there a capacity of 78.4% and a rank smaller than 3?
SQL: SELECT "Annual change" FROM "2-15494883-26" WHERE "Rank" < 3.0 AND "Capacity in use" = '78.4%';

Question: In Which rank was there a location of Porto Alegre?
SQL: SELECT "Rank" FROM "2-15494883-26" WHERE "Location" = 'Porto Alegre';

Question: what is the number of passengers when the capacity is 81.2%?
SQL: SELECT SUM("Total Passengers") FROM "2-15494883-26" WHERE "Capacity in use" = '81.2%';

Question: what is the highest amount of passengers when there is a rank of 1?
SQL: SELECT MAX("Total Passengers") FROM "2-15494883-26" WHERE "Rank" = 1.0;

Question: Which highest rank had an annual change of 10.3% and a capacity of people smaller than 1368968?
SQL: SELECT MAX("Rank") FROM "2-15494883-26" WHERE "Annual change" = '10.3%' AND "Total Passengers" < 1368968.0;