(Django1.11.11)

>>> from django.db import connection
>>> connection.queries

>>> from foo.models import Bar

>>> bars = Bar.objects.filter(name='foobar')

>>> connection.queries[-1]['sql']
"SELECT `foo_bar`.`id`, `foo_bar`.`name`, `foo_bar`.`updated_at` FROM `foo_bar` WHERE `foo_bar`.`name` = 'foobar' LIMIT 21"