CREATE TABLE table_61369 ("Number" FLOAT, "Time" FLOAT, "Aircraft" CLOB, "Opponent" CLOB, "Location" CLOB)

What number with the opponent Fokker D.vii have with a time of 1655?
SELECT SUM("Number") FROM table_61369 WHERE "Opponent" = 'fokker d.vii' AND "Time" = '1655'
SELECT SUM("Number") FROM "table_61369" WHERE "Opponent" = 'fokker d.vii' AND "Time" = '1655'