Table: horse_race_results_13
Columns: year
winner
jockey
trainer
owner
distance
time
purse

Question: What is the purse in 2003, which had a 1-1/16 distance?
SQL: SELECT "purse" FROM horse_race_results_13 WHERE "distance" = '1-1/16' AND "year" = 2003

Question: Who is the trainer of the winner skylighter?
SQL: SELECT "trainer" FROM horse_race_results_13 WHERE "winner" = 'skylighter'

Question: What is the distance with a 1:46.32 time?
SQL: SELECT "distance" FROM horse_race_results_13 WHERE "time" = '1:46.32'

Question: What is the average year with a 1:42.85 time?
SQL: SELECT AVG("year") FROM horse_race_results_13 WHERE "time" = '1:42.85'

Question: What is the distance in 2006?
SQL: SELECT "distance" FROM horse_race_results_13 WHERE "year" = 2006