ref: beb2e1c569e316aeac7b39ea9b4bb8a308bfa8ca
dir: /sys/src/cmd/python/Doc/lib/sqlite3/execute_2.py/
import sqlite3
con = sqlite3.connect("mydb")
cur = con.cursor()
who = "Yeltsin"
age = 72
cur.execute("select name_last, age from people where name_last=:who and age=:age",
{"who": who, "age": age})
print cur.fetchone()