> 'RLMResults' is not convertible to 'RLMObject'
realm.deleteObject(Word.objectsWhere(""))
`deleteObject``objectsWhere`
- (RLMResults *)objectsWhere:(NSString *)predicateFormat, ...;
- (void)deleteObject:(RLMObject *)object;
`deleteObjects`
- (void)deleteObjects:(id)array;
\----- -----
// Query using a predicate string
var tanDogs = Dog.objectsWhere("color = 'tan' AND name BEGINSWITH 'B'")
// Query using an NSPredicate object
let predicate = NSPredicate(format: "color = %@ AND name BEGINSWITH %@", "tan", "B")
tanDogs = Dog.objectsWithPredicate(predicate)