What is the sum of Total trade (tonnes) where the Imports are 111,677 tonnes and there are fewer than 129 vessels entering port?
CREATE TABLE "port_trade" (
  "year" real,
  "imports_tonnes" real,
  "exports_tonnes" real,
  "total_trade_tonnes" real,
  "vessels_entering_port" real
);
SELECT SUM("total_trade_tonnes") FROM "port_trade" WHERE "imports_tonnes"='111,677' AND "vessels_entering_port"<129;