List of impact craters on Earth

Columns: Name | Location | Country | Diameter ( km ) | Age ( million years )
Mistassini-Otish impact crater | Quebec | Canada | 600 | 2100 | Australian impact structure | Northern Territory | Australia | 600 | 545 | Shiva crater | offshore of India | India | 500 | 65 | Wilkes Land crater | Wilkes Land | Antarctica | 480-500 | 250-500 | Nastapoka arc | Nunavut / Quebec | Canada | 450 | unknown | Czech Crater | Central Europe | Czech Republic | 300-500 | 2000 | Ishim impact structure | Akmola Region | Kazakhstan | 300 | 460-430 | Bedout | offshore of Western Australia | Australia | 250 | 250 | Falkland ( Malvinas ) Plateau anomaly | offshore of South America | Falkland Islands | 250 | 250 ( uncertain , estimated to be Late Palaeozoic ) | East Warburton Basin | Southern Australia | Australia | 200+ | 300-360

Example questions:
What bay is the country which contains the crater of Shiva , an unconfirmed impact crater , northwest of ? | What remote northern island is part of the province which contains the Nastapoka arc , an unconfirmed impact crater ? | What materials are mined in the region which contains the unconfirmed impact structure in Ishim ? | How large is the surface of the state which contains the Australian unconfirmed impact structure ? | What portion of the country lives in the region which contains the East Warburton Basin , an unconfirmed impact crater ?

Answers:
Bay of Bengal | Ellesmere Island | gold and coal | 1,349,129 square kilometres | three-quarters