PREFIX  :     <http://example/>
SELECT ?x ?l
{
?x :p ?v . FILTER (?v = 1.0 ) . ?x :q ?l

##{ ?x :p 1 ; :q ?l } 
## UNION
##   { ?x :p 1.0e0 ; :q ?l } 
## UNION
##  { ?x :p 1 ; :q ?l } 
}