find the camera storage type that is supported by pentax optio s60 and the digital camera with iso setting of 2500.
(AND digicams.camera_storage_type (AND (JOIN (R digicams.digital_camera.supported_storage_types) (JOIN digicams.digital_camera.iso_setting m.0h27q8w)) (JOIN (R digicams.digital_camera.supported_storage_types) m.03q2lk_)))