user: Question: What was the delivery date when S2 (LST) type, S2 (frigate) type, C1-M type was delivered?
Columns: ['Yard Name', 'Location (city, state)', '1st Ship Delivery Date', 'Ship Types Delivered', 'Total Number of Ways', 'total vessels built']
Types: ['text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Moore Dry Dock Company', 'Oakland, California', 'July 1940', 'C2 type, R2 type, C3 type', '4 ways', '__ ships for USMC (remainder for USN)']
SQL:

assistant: SELECT "1st Ship Delivery Date" FROM "Table" WHERE "Ship Types Delivered" = 'S2 (LST) type, S2 (frigate) type, C1-M type';