CREATE TABLE "table1_2241259_1" (
  "year" real,
  "date" text,
  "driver" text,
  "team" text,
  "manufacturer" text,
  "laps" text,
  "miles_km" text,
  "race_time" text,
  "average_speed_mph" text,
  "report" text
);

Question: Name the total number of race time for kevin harvick
SQL: SELECT COUNT("race_time") FROM "table1_2241259_1" WHERE "driver"='Kevin Harvick';