CREATE TABLE table_34514 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Record" CLOB, "Game Site" CLOB, "Attendance" CLOB)

Result of l 17 20 had what attendance?
SELECT "Attendance" FROM table_34514 WHERE "Result" = 'l 17–20'
SELECT "Attendance" FROM "table_34514" WHERE "Result" = 'l 17–20'