Question: What was the guage of the concessionaire Ferrosur Roca?
SQL: SELECT "Gauge" FROM "2-16197280-1" WHERE "Concessionaire" = 'Ferrosur Roca';

Question: Which FA Division has a length of 2704 km?
SQL: SELECT "FA Division(s)" FROM "2-16197280-1" WHERE "Length, km" = 2704.0;

Question: What is the takeover date of the FA division Mitre?
SQL: SELECT "Takeover Date" FROM "2-16197280-1" WHERE "FA Division(s)" = 'Mitre';