Table: arkansas_economy
Columns: state_rank_by_revenue
company_name
national_rank
revenue_billions_2012_estimate
headquarters_city
known_for

Question: What is the rank of the company known for retailing?
SQL: SELECT COUNT("state_rank_by_revenue") FROM arkansas_economy WHERE "known_for" = 'Retailing'

Question: What is the rank for Murphy Oil?
SQL: SELECT "state_rank_by_revenue" FROM arkansas_economy WHERE "company_name" = 'Murphy Oil'

Question: Where is the company with estimated revenue of 33.3 billion headquartered?
SQL: SELECT "headquarters_city" FROM arkansas_economy WHERE "revenue_billions_2012_estimate" = '33.3'

Question: What is the national rank of Windstream?
SQL: SELECT MIN("national_rank") FROM arkansas_economy WHERE "company_name" = 'Windstream'

Question: What is the state rank of the company with 6.8 billion in revenue?
SQL: SELECT "state_rank_by_revenue" FROM arkansas_economy WHERE "revenue_billions_2012_estimate" = '6.8'