Question: Name the sum of gross tonnage for Wood on date more tahn 1846 for comissioned and ship of Esk
SQL: SELECT SUM("Gross Tonnage") FROM "2-11859464-1" WHERE "Material" = 'Wood' AND "Date Commissioned" > 1846.0 AND "Ship" = 'Esk';

Question: Tell me the sum of Gross Tonnage for isis ship on date commisioned less than 1842
SQL: SELECT SUM("Gross Tonnage") FROM "2-11859464-1" WHERE "Ship" = 'isis' AND "Date Commissioned" < 1842.0;

Question: Tell me the lowest date commissioned for iron rmsrhone and gross tonnage less than 2738
SQL: SELECT MIN("Date Commissioned") FROM "2-11859464-1" WHERE "Material" = 'iron' AND "Ship" = 'rmsrhone' AND "Gross Tonnage" < 2738.0;