Get all enzymes from sgd database

Database: 
Statement: 

Get all enzymes from sgd database A limit of results per page $number$ (e.g., 10)

Query: 
select ?s ?label_enzyme where{ ?s ?p <http://bio2rdf.org/sgd_vocabulary:Enzyme> . ?s<http://www.w3.org/2000/01/rdf-schema#label>?label_enzyme . } limit ??number