Relative Clauses

The woman which lives next door is a doctor.
The woman lives next door who is a doctor.
The woman who lives next door is a doctor.

that
where
who
which

My car which I bought last year is, very reliable.
My car which, I bought last year is very reliable.
My car, which I bought last year, is very reliable.

That's the place where we first met.
That's the place when we first met.
That's the place which we first met.