CREATE TABLE table_47364 ("Date" TEXT, "Visitor" TEXT, "Score" TEXT, "Home" TEXT, "Attendance" FLOAT, "Record" TEXT, "Points" FLOAT)

What is Score, when Visitor is 'Pittsburgh', and when Points is greater than 18?
SELECT "Score" FROM table_47364 WHERE "Visitor" = 'pittsburgh' AND "Points" > '18'
SELECT "Score" FROM "table_47364" WHERE "Points" > '18' AND "Visitor" = 'pittsburgh'