This video educates you on how to pull tweets from Twitter via the Twitter API using the Tweepy python module. More notably it will show you how to retrieve tweets by userName.
[Video 1] Build Twitter App: https://youtu.be/56EAU6liJmA
SQLite Browser
http://sqlitebrowser.org/
Tweepy API
http://docs.tweepy.org/en/v3.4.0/streaming_how_to.html
SQLite3
https://www.sqlite.org/download.html