CREATE TABLE table_10148 ("Race Name" TEXT, "Circuit" TEXT, "Date" TEXT, "Winning driver" TEXT, "Constructor" TEXT, "Report" TEXT)

On what circuit was the i mexican grand prix held?
SELECT "Circuit" FROM table_10148 WHERE "Race Name" = 'i mexican grand prix'
SELECT "Circuit" FROM "table_10148" WHERE "Race Name" = 'i mexican grand prix'