CREATE TABLE table_name_76 (_specialist_ VARCHAR, physician__gp_ INT, all_nurses VARCHAR)

What is the number of physicians in the region with an all nurses number of 91?
SELECT MIN(physician__gp_) & _specialist_ FROM table_name_76 WHERE all_nurses = 91
SELECT MIN("physician__gp_") & "_specialist_" FROM "table_name_76" WHERE "all_nurses" = 91