CREATE TABLE table_20856 ("Year" FLOAT, "Date" CLOB, "Driver" CLOB, "Team" CLOB, "Manufacturer" CLOB, "Laps" CLOB, "Miles  ( km ) " CLOB, "Race time" CLOB, "Average speed  ( mph ) " CLOB, "Report" CLOB)

Name the driver for race time being 2:34:21
SELECT "Driver" FROM table_20856 WHERE "Race time" = '2:34:21'
SELECT "Driver" FROM "table_20856" WHERE "Race time" = '2:34:21'