I keep gettn calls from this number no respond

To report the fraud, go here:
http://www.grants.gov/web/grants/support/general-support/grant-fraud.html
Their number is listed , along with an email address, at the top of the page.
Also here:
http://www.consumer.ftc.gov/articles/0113-government-grant-scams

Last week- I received  three phone calls from that number  I talked to some woman she said that I entitled to $7,000
and I didn't have to pay it back.

I asked her would she be sending me a check and then she hung up.