CREATE TABLE "table1_1603807_2" (
  "line" text,
  "terminals" text,
  "status" text,
  "length" text,
  "total_number_of_stations" real,
  "operator" text
);

Question: Which operator runs the Mamariga shuttle line?
SQL: SELECT "operator" FROM "table1_1603807_2" WHERE "line"='Mamariga Shuttle';

Question: How many lengths of line 3 are given?
SQL: SELECT COUNT("length") FROM "table1_1603807_2" WHERE "line"='Line 3';

Question: What are the terminals for line 2?
SQL: SELECT "terminals" FROM "table1_1603807_2" WHERE "line"='Line 2';

Question: What is the status of the airport line?
SQL: SELECT "status" FROM "table1_1603807_2" WHERE "line"='Airport Line';