Question: How old is Darryll Holland's horse
SQL: SELECT "Barrier" FROM "1-13498403-1" WHERE "Jockey" = 'Darryll Holland';

Question: how many people work with N Rawiller
SQL: SELECT COUNT("Trainer") FROM "1-13498403-1" WHERE "Jockey" = 'N Rawiller';

Question: How old is Daniel Morton
SQL: SELECT MAX("Barrier") FROM "1-13498403-1" WHERE "Trainer" = 'Daniel Morton';