CREATE TABLE table_203_437 (id DECIMAL, "year" DECIMAL, "laureate" TEXT, "relation" TEXT, "category" TEXT, "rationale" TEXT)

how many of the laureates received the nobel peace prize ?
SELECT COUNT("laureate") FROM table_203_437 WHERE "category" = 'nobel peace prize'
SELECT COUNT("laureate") FROM "table_203_437" WHERE "category" = 'nobel peace prize'