CREATE TABLE table_203_91 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "event" TEXT, "notes" TEXT)

what is the number of competitions held in cuba ?
SELECT COUNT("competition") FROM table_203_91 WHERE "venue" = 'cuba'
SELECT COUNT("competition") FROM "table_203_91" WHERE "venue" = 'cuba'