CREATE TABLE table_41590 ("Animal" TEXT, "Cell type" TEXT, "Resting potential  ( mV ) " TEXT, "AP increase  ( mV ) " TEXT, "AP duration  ( ms ) " TEXT, "Conduction speed  ( m/s ) " TEXT)

What was the resting potential with an AP duration of 1.0 and a median giant fiber cell type?
SELECT "Resting potential (mV)" FROM table_41590 WHERE "AP duration (ms)" = '1.0' AND "Cell type" = 'median giant fiber'
SELECT "Resting potential (mV)" FROM "table_41590" WHERE "AP duration (ms)" = '1.0' AND "Cell type" = 'median giant fiber'