Mention the number of authors of the paper 'Automatic Bus Ticketing System Bangladesh'.
How many authors does 'Automatic Bus Ticketing System Bangladesh' have?
SELECT ?answer WHERE { <https://dblp.org/rec/conf/icccnt/AlamZK21> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/icccnt/AlamZK21>