CREATE TABLE table_52540 ("Rider" CLOB, "Horse" CLOB, "Faults" CLOB, "Round 1 + 2A + 2B + 3A Points" CLOB, "Total" FLOAT)

What was the total for christina liebherr?
SELECT MIN("Total") FROM table_52540 WHERE "Rider" = 'christina liebherr'
SELECT MIN("Total") FROM "table_52540" WHERE "Rider" = 'christina liebherr'