CREATE TABLE table_50485 ("Match" FLOAT, "Date" TEXT, "Home/Away" TEXT, "Opponent team" TEXT, "Score" TEXT)

What was the score for a match before 13, and a home game on April 21, 2008?
SELECT "Score" FROM table_50485 WHERE "Match" < '13' AND "Home/Away" = 'home' AND "Date" = 'april 21, 2008'
SELECT "Score" FROM "table_50485" WHERE "Date" = 'april 21, 2008' AND "Home/Away" = 'home' AND "Match" < '13'