CREATE TABLE table_57147 ("NAME ATHLETE" TEXT, "FINAL" TEXT, "LANE" FLOAT, "SEMI" TEXT, "HEAT" TEXT)

Who was the athlete who had SEMI of 1:43.79?
SELECT "NAME ATHLETE" FROM table_57147 WHERE "SEMI" = '1:43.79'
SELECT "NAME ATHLETE" FROM "table_57147" WHERE "SEMI" = '1:43.79'