CREATE TABLE table_23950611_2 (market_cap_march_15__mil_usd__ VARCHAR, april_2013_cum_rank VARCHAR)

How many companies had an april 2013 cumulative ranking of 3?
SELECT COUNT(market_cap_march_15__mil_usd__) FROM table_23950611_2 WHERE april_2013_cum_rank = 3
SELECT COUNT("market_cap_march_15__mil_usd__") FROM "table_23950611_2" WHERE "april_2013_cum_rank" = 3