Question: Which operator runs the Mamariga Shuttle line?
SQL: SELECT "Operator" FROM "1-1603807-2" WHERE "Line" = 'Mamariga Shuttle';

Question: How many lengths of Line 3 are given?
SQL: SELECT COUNT("Length") FROM "1-1603807-2" WHERE "Line" = 'Line 3';

Question: What are the terminals for Line 2?
SQL: SELECT "Terminals" FROM "1-1603807-2" WHERE "Line" = 'Line 2';

Question: What is the status of the Airport Line?
SQL: SELECT "Status" FROM "1-1603807-2" WHERE "Line" = 'Airport Line';