def zcount(self, name, min, max):
with self.pipe as pipe:<EOL><INDENT>return pipe.zcount(self.redis_key(name), min, max)<EOL><DEDENT>
Returns the number of elements in the sorted set at key ``name`` with
a score between ``min`` and ``max``.

:param name: str
:param min: float
:param max: float
:return: Future()