First time home buyers credit still applicable if had mortgage on previous residence but never homestead?

I'm wondering if i would qualify for the first time home buyers credit, i bought my home this year and would qualify except when answering the question of if i have owned a home in the last 3 years i do not know. I had a mortgage where i was the primary and my significant other was the secondary on a mobile home that i never set it as homestead. I lived there from March 2007-Jan 2008. Am i still able to qualify