CREATE TABLE table_30783 ("Player" TEXT, "Matches" FLOAT, "Innings" FLOAT, "Runs" FLOAT, "Average" TEXT, "Highest Score" TEXT, "100s" FLOAT, "50s" FLOAT)

Who is the player when the highest score is 84?
SELECT "Player" FROM table_30783 WHERE "Highest Score" = '84'
SELECT "Player" FROM "table_30783" WHERE "Highest Score" = '84'