Question: Name the report for 6 May
SQL: SELECT "Report" FROM "2-12105157-2" WHERE "Date" = '6 May';

Question: Tell me the report with winner of Louis Wagner
SQL: SELECT "Report" FROM "2-12105157-2" WHERE "Winning driver" = 'Louis Wagner';

Question: Name the report with Cuban Race
SQL: SELECT "Report" FROM "2-12105157-2" WHERE "Name" = 'Cuban Race';

Question: Name the circuit for Darracq and name of Cuban Race
SQL: SELECT "Circuit" FROM "2-12105157-2" WHERE "Winning constructor" = 'Darracq' AND "Name" = 'Cuban Race';

Question: Name the winning driver for Havana
SQL: SELECT "Winning driver" FROM "2-12105157-2" WHERE "Circuit" = 'Havana';