CREATE TABLE "ships_sunk_or_captured_by_moewe_on_her_f" (
  "date" text,
  "ship" text,
  "type" text,
  "nationality" text,
  "tonnage_grt" real
);

Question: what is the nationality of the ship appam?
SQL: SELECT "nationality" FROM "ships_sunk_or_captured_by_moewe_on_her_f" WHERE "ship"='appam';

Question: what is the tonnage grt of the ship author?
SQL: SELECT "tonnage_grt" FROM "ships_sunk_or_captured_by_moewe_on_her_f" WHERE "ship"='author';

Question: what is the most tonnage grt of any ship sunk or captured on 16 jan 16?
SQL: SELECT MAX("tonnage_grt") FROM "ships_sunk_or_captured_by_moewe_on_her_f" WHERE "date"='16 jan 16';

Question: what is the total tonnage grt of the cargo ship(s) sunk or captured on 4 feb 16?
SQL: SELECT COUNT("tonnage_grt") FROM "ships_sunk_or_captured_by_moewe_on_her_f" WHERE "type"='cargo ship' AND "date"='4 feb 16';