The paper 'Ensemble of Convolutional Neural Networks for P300 Speller in Brain Computer Interface' has how many authors?
How many authors does 'Ensemble of Convolutional Neural Networks for P300 Speller in Brain Computer Interface' have?
SELECT ?answer WHERE { <https://dblp.org/rec/conf/icann/ShanLS19> <https://dblp.org/rdf/schema#numberOfCreators> ?answer }
<https://dblp.org/rec/conf/icann/ShanLS19>