ref: fe31b4941d2b7a152a7b031cf6c2cf3cc3af19ec
dir: /sys/src/cmd/python/Doc/lib/sqlite3/execute_1.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=? and age=?", (who, age))
print cur.fetchone()