CREATE TABLE table_49592 ("Rank" FLOAT, "Company" TEXT, "Country" TEXT, "Industry" TEXT, "Sales  ( billion $ ) " FLOAT, "Profits  ( billion $ ) " FLOAT, "Assets  ( billion $ ) " FLOAT, "Market Value  ( billion $ ) " FLOAT)

What is BP's lowest sales?
SELECT MIN("Sales (billion $)") FROM table_49592 WHERE "Company" = 'bp'
SELECT MIN("Sales (billion $)") FROM "table_49592" WHERE "Company" = 'bp'