Table: melbourne_cup_2007
Columns: saddle_cloth
horse
trainer
jockey
weight_kg
barrier
placing

Question: How old is Darryll Holland's horse
SQL: SELECT "barrier" FROM melbourne_cup_2007 WHERE "jockey" = 'Darryll Holland'

Question: how many people work with N Rawiller
SQL: SELECT COUNT("trainer") FROM melbourne_cup_2007 WHERE "jockey" = 'N Rawiller'

Question: How old is Daniel Morton
SQL: SELECT MAX("barrier") FROM melbourne_cup_2007 WHERE "trainer" = 'Daniel Morton'