Table: ship_neptune_1814
Columns: date
ship_name
tonnage
ship_type
location
disposition_of_ship

Question: What is the Ship Type of the Prize Disposition of ship and a tonnage less than 151?
SQL: SELECT "ship_type" FROM ship_neptune_1814 WHERE "disposition_of_ship" = 'prize' AND "tonnage" < 151

Question: What is the highest tonnage of the Brig Ship Type and the disposition of Ship of Prize?
SQL: SELECT MAX("tonnage") FROM ship_neptune_1814 WHERE "ship_type" = 'brig' AND "disposition_of_ship" = 'prize'