CREATE TABLE table_5527 ("Venue" CLOB, "Home" CLOB, "Guest" CLOB, "Score" CLOB, "Attendance" FLOAT)

What is the sum of attendance when the score was 2:0?
SELECT SUM("Attendance") FROM table_5527 WHERE "Score" = '2:0'
SELECT SUM("Attendance") FROM "table_5527" WHERE "Score" = '2:0'