CREATE TABLE table_name_7 (rounds VARCHAR2, sponsor_s_ VARCHAR2, chassis VARCHAR2)

Which rounds do Arciero Wines sponsor a March 85c chassis?
SELECT rounds FROM table_name_7 WHERE sponsor_s_ = "arciero wines" AND chassis = "march 85c"
SELECT "rounds" FROM "table_name_7" WHERE "arciero wines" = "sponsor_s_" AND "chassis" = "march 85c"