CREATE TABLE table_54145 ("Race" TEXT, "Dist  ( f ) " FLOAT, "Course" TEXT, "Class" TEXT, "Prize  ( \\u00a3K ) " FLOAT, "Odds" TEXT, "Runners" FLOAT, "Placing" FLOAT, "Margin" TEXT, "Time" TEXT, "Jockey" TEXT, "Trainer" TEXT)

What is the lowest Prize amount for the Irish Derby Race?
SELECT MIN("Prize (\u00a3K)") FROM table_54145 WHERE "Race" = 'irish derby'
SELECT MIN("Prize (\u00a3K)") FROM "table_54145" WHERE "Race" = 'irish derby'