CREATE TABLE table_17991 ("Year" FLOAT, "Competition" TEXT, "Location" TEXT, "Event" TEXT, "Final-Rank" TEXT, "Final-Score" TEXT, "Qualifying Rank" FLOAT, "Qualifying Score" TEXT)

how many times was the qualifying score 60.750?
SELECT COUNT("Event") FROM table_17991 WHERE "Qualifying Score" = '60.750'
SELECT COUNT("Event") FROM "table_17991" WHERE "Qualifying Score" = '60.750'