CREATE TABLE table_203_83 (id NUMBER, "ranking" NUMBER, "company" CLOB, "industry" CLOB, "revenue  ( usd billions ) " CLOB, "fy" CLOB, "capitalization  ( usd billions ) " CLOB, "employees" NUMBER, "listing" CLOB, "headquarters" CLOB, "ceo" CLOB)

how many oil and gas industries made the top 10 in ranking of revenue list ?
SELECT COUNT("company") FROM table_203_83 WHERE "industry" = 'oil and gas' AND "ranking" <= 10
SELECT COUNT("company") FROM "table_203_83" WHERE "industry" = 'oil and gas' AND "ranking" <= 10