Tell me the national association football team that competition class men's association football and which that starts with the letter f
SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q6979593 . ?sbj wdt:P2094 wd:Q35554451 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'f')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
national association football team: Q6979593 : Q35554451