Context: Ford Motor Company and Coca-Cola were two of the first sponsors of American Idol in its first season. The sponsorship deal cost around $10 million in season one, rising to $35 million by season 7, and between $50 to $60 million in season 10. The third major sponsor AT&T Wireless joined in the second season but ended after season 12, and Coca-Cola officially ended its sponsorship after season 13 amidst the declining ratings of Idol in the mid-2010s. iTunes sponsored the show since season seven.

Question: In which season did Coca-Cola become a sponsor of American Idol? 
Answer: season one

Question: In which season did Ford Motor Company become a sponsor of American Idol? 
Answer: season one

Question: Which mobile carrier became a sponsor of American Idol in its second season? 
Answer: AT&T Wireless

Question: When did Coca-Cola stop being a sponsor of American Idol? 
Answer: after season 13

Question: In which season did iTunes begin a partnership with American Idol? 
Answer: seven

Question: How much did it cost each company for the first season?
Answer: 10 million

Question: How much did it cost each company in season 7?
Answer: 35 million

Question: Who was the third largest sponsor?
Answer: AT&T