CREATE TABLE table_66247 ("Rank" FLOAT, "Heat" FLOAT, "Name" TEXT, "Nationality" TEXT, "Result" TEXT)

What is the Name of the Player with a Rank of 23 or less, Heat of 4 and Result of 55.91?
SELECT "Name" FROM table_66247 WHERE "Heat" = '4' AND "Rank" < '23' AND "Result" = '55.91'
SELECT "Name" FROM "table_66247" WHERE "Heat" = '4' AND "Rank" < '23' AND "Result" = '55.91'