Babysitter Needed for my Children - Full-time / Part-time

We are looking for someone to help us on wednesdays from 12-4p (somewhat flexible give/take hr) Your main responsibilities would be driving (using our car) my wife and 4-year-old to their activities/playdates. Helping to supervise the 4-year-old while there and then driving them back. Our ideal person would be dependable, kind and have a clean driving record. The main thing is we need a very good and safe driver. Must be willing to do a background check.