CREATE TABLE table_name_69 (resting_potential__mv_ VARCHAR(255), ap_duration__ms_ VARCHAR(255), cell_type VARCHAR(255))
What was the resting potential with an AP duration of 1.0 and a median giant fiber cell type?
    
SQL: SELECT resting_potential__mv_ FROM table_name_69 WHERE ap_duration__ms_ = "1.0" AND cell_type = "median giant fiber"