CREATE TABLE table_17505751_5 (Champions VARCHAR2, league VARCHAR2, position VARCHAR2)

when the position is forward and the league is 5 what number is the Champion league
SELECT COUNT(Champions) AS league FROM table_17505751_5 WHERE league = 5 AND position = "Forward"
SELECT COUNT("Champions") AS "league" FROM "table_17505751_5" WHERE "Forward" = "position" AND "league" = 5