You can download the dataset for these queries here.
You can cross-reference the queries to the book by query number or name.
This query assumes that we can use rdfs:label as an index into dbpedia; it works in this case, but in general, not a very reliable idea
Query ch6.68 Birth names of actors in Giant 
This query relies on a link set; a set of triples that link references in one data set to references in another. In this case, we provide such a link set here.
Query ch6.69 Birth names of actors in Giant (exact match)