CREATE TABLE table_7356 ("Date" TEXT, "Time" TEXT, "Name" TEXT, "Flag" TEXT, "Casualties" FLOAT, "Tonnage  ( GRT ) " FLOAT, "Cargo" TEXT, "Sunk by..." TEXT)

What is the sum of tonnage with a time at 00:10 and less than 42 casualties?
SELECT SUM("Tonnage (GRT)") FROM table_7356 WHERE "Time" = '00:10' AND "Casualties" < '42'
SELECT SUM("Tonnage (GRT)") FROM "table_7356" WHERE "Casualties" < '42' AND "Time" = '00:10'