CREATE TABLE "battle" (
"id" int,
"name" text,
"date" text,
"bulgarian_commander" text,
"latin_commander" text,
"result" text,
primary key("id")
)

CREATE TABLE "ship" (
"lost_in_battle" int,
"id" int,
"name" text,
"tonnage" text,
"ship_type" text,
"location" text,
"disposition_of_ship" text,
primary key("id"),
foreign key (`lost_in_battle`) references `battle`("id") 
)

CREATE TABLE "death" (
"caused_by_ship_id" int,
"id" int,
"note" text,
"killed" int,
"injured" int,
primary key("id"),
foreign key ("caused_by_ship_id") references `ship`("id") 
)
SELECT count(DISTINCT RESULT) FROM battle
How many different results are there for the battles?