better typing

app.py

@@ -1,4 +1,5 @@
 import allfence as af
+import datetime
 from flask import Flask
 import psycopg2 as sql
 from textwrap import dedent
@@ -20,20 +21,22 @@ with db_connection.cursor() as cursor:
         username varchar(255),
         password_hash varchar(255),
         name varchar(255),
-        dob varchar(255)
+        dob date
     );
     CREATE TABLE IF NOT EXISTS Events (
         id SERIAL PRIMARY KEY,
         name varchar(255),
-        datetime varchar(255),
-        users varchar(255),
+        datetime datetime,
+        max_age int,
+        completed boolean,
+        registration varchar(255),
         results varchar(255)
     );
     CREATE TABLE IF NOT EXISTS Tournaments (
         id SERIAL PRIMARY KEY,
         name varchar(255),
-        start_date varchar(255),
-        end_date varchar(255),
+        start_date date,
+        end_date date,
         events varchar(255)
     );
     """))