Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Rosneft Chief Executive Igor Sechin on Friday said that Russia can increase oil production up to 700 million tonnes per year (14 million barrels per day) and export 300 billion cubic metres of gas to China a year.

Answer: chief_executive_officer: Rosneft, Igor Sechin; director_/_manager: Rosneft, Igor Sechin