CREATE TABLE table_203_763 (id DECIMAL, "year" DECIMAL, "competition" TEXT, "venue" TEXT, "position" TEXT, "notes" TEXT)

how many of the competitions that took place were based in a venue in the united states ?
SELECT COUNT("competition") FROM table_203_763 WHERE "venue" = 'united states'
SELECT COUNT("competition") FROM "table_203_763" WHERE "venue" = 'united states'