Question: How many companies had an april 2013 cumulative ranking of 3?
SQL: SELECT COUNT("Market cap March 15 (mil. USD )") FROM "1-23950611-2" WHERE "April 2013 Cum. Rank" = 3.0;

Question: What was the Forbers rank (all companies) in 2012 for Cenovus Energy?
SQL: SELECT "Rank (all) 2012" FROM "1-23950611-2" WHERE "Name" = 'Cenovus Energy';

Question: How many assets in billions US$, for the company that ranked 1532 overall in 2013?
SQL: SELECT "Assets (bil. USD )" FROM "1-23950611-2" WHERE "Rank (all) 2013" = 1532.0;

Question: How many companies named Cenovus Energy?
SQL: SELECT COUNT("Rank (all) 2013") FROM "1-23950611-2" WHERE "Name" = 'Cenovus Energy';