CREATE TABLE table_203_299 (id NUMBER, "year" NUMBER, "competition" CLOB, "venue" CLOB, "position" CLOB, "notes" CLOB)

how many 4x 100m relays were run ?
SELECT COUNT(*) FROM table_203_299 WHERE "notes" = '4x100m relay'
SELECT COUNT(*) FROM "table_203_299" WHERE "notes" = '4x100m relay'