Table:
text: Emergency Shipbuilding program
Shipyards in the program
Yards on the Great Lakes
Yard_Name Location_City_State _1st_Ship_Delivery_Date Ship_Types_Delivered Total_Number_of_Ways
Cargill Inc. Savage, Minnesota November 1941 T1 type number
Leatham D. Smith Shipbuilding Co. Sturgeon Bay, Wisconsin November 1942 C1-M type, N3 type, S2 (frigate) type number
Walter Butler Shipbuilders Superior, Wisconsin December 1942 C1-M type, N3 type, S2 (frigate) type number
Froemming Brothers Milwaukee, Wisconsin April 1943 C1-M type, V4 type, S2 (frigate) type number
American Shipbuilding Lorain, Ohio May 1943 L6 type, S2 (frigate) type number
Walter Butler Shipbuilders Inc. Duluth, Minnesota May 1943 C1-M type, N3 type, T1 type number
Globe Shipbuilding Co. Superior, Wisconsin May 1943 C1-M type, V4 type, S2 (frigate) type number

Question: What types of ships were built at the Frömming brothers shipyard as part of the Great Lakes Shipyards program of the Notschiffbauprogramm?

Question: What types of ships were first delivered in December 1942 as part of the Notschiffbauprogramm on great lakes, shipyards in the program?