CREATE TABLE table_50800 ("Week" FLOAT, "Date" CLOB, "Visitor" CLOB, "Score" CLOB, "Home" CLOB, "Attendance" CLOB, "Record" CLOB)

WHAT IS THE SCORE WITH A WEEK LARGER THAN 13, AND VISITOR TEAM MONTREAL ALOUETTES?
SELECT "Score" FROM table_50800 WHERE "Week" > '13' AND "Visitor" = 'montreal alouettes'
SELECT "Score" FROM "table_50800" WHERE "Visitor" = 'montreal alouettes' AND "Week" > '13'