CREATE TABLE table_59452 ("Name" CLOB, "Circuit" CLOB, "Date" CLOB, "Winning driver" CLOB, "Winning constructor" CLOB, "Report" CLOB)

What kind of Winning driver has a Winning constructor of mercer?
SELECT "Winning driver" FROM table_59452 WHERE "Winning constructor" = 'mercer'
SELECT "Winning driver" FROM "table_59452" WHERE "Winning constructor" = 'mercer'