Table: turf_cup_results
Columns: year
winner
jockey
trainer
owner
distance_miles
time

Question: Who was the trainer with Robert Courtney was owner?
SQL: SELECT "trainer" FROM turf_cup_results WHERE "owner" = 'robert courtney'

Question: What year was Jeff Mullins?
SQL: SELECT MIN("year") FROM turf_cup_results WHERE "trainer" = 'jeff mullins'