SPARQL select literals with a given language tag When Applicable

I am looking for a query that selects literals written in English if applicable. By applicable I mean that if the requested literal is a string and not a number.

function (String p){
...
query= "select distinct ?o where {

    <http://dbpedia.org/resource/Elizabeth:_The_Golden_Age> ?p ?t. 
    FILTER(langMatches(lang(?t), "EN"))

} 
LIMIT 100";
}

the problem is if p is dbo:runtime there will be no results retued because the number has no language tag attached to it. Is there a way to say if there is language tags, chose the one in English.