CREATE TABLE table_203_702 (id NUMBER, "name" CLOB, "type" CLOB, "technologies" CLOB, "author" CLOB, "presented /\ last updated" CLOB, "licence" CLOB, "homepage" CLOB)

what was the total number of times sahi , m. & shilbuya , t. listed as co authors ?
SELECT COUNT(*) FROM table_203_702 WHERE "author" = 'sahli, m. & shibuya, t'
SELECT COUNT(*) FROM "table_203_702" WHERE "author" = 'sahli, m. & shibuya, t'