CREATE TABLE table_2973 ("April 2013 Cum. Rank" FLOAT, "Name" TEXT, "Rank  ( all )  2012" FLOAT, "Rank  ( all )  2013" FLOAT, "2013 Rank  ( oil companies ) " TEXT, "2013 rev  ( bil. USD  ) " TEXT, "2013 Profit  ( mil. USD  ) " FLOAT, "Assets  ( bil. USD  ) " TEXT, "Market cap March 15  ( mil. USD  ) " FLOAT)

How many companies named cenovus energy?
SELECT COUNT("Rank (all) 2013") FROM table_2973 WHERE "Name" = 'Cenovus Energy'
SELECT COUNT("Rank (all) 2013") FROM "table_2973" WHERE "Name" = 'Cenovus Energy'