a few more stubs for sqlalchemy (#301)

third_party/2.7/sqlalchemy/sql/schema.pyi

@@ -22,10 +22,11 @@ class SchemaItem(SchemaEventTarget, visitors.Visitable):
 
 class Table(DialectKWArgs, SchemaItem, TableClause):
     def __init__(self, name, metadata, *args, **kwargs): ...
+    def delete(self, *args, **kwargs): ...
     def insert(self, *args, **kwargs): ...
     def select(self, *args, **kwargs): ...
     def update(self, *args, **kwargs): ...
-    def c(self, *args, **kwargs): ...
+    c = ... # type: ColumnCollection
 
 
 class Column(SchemaItem, ColumnClause):