Utilize the input text as a context reference, choose the right relationship between number and steam from the options. Options: 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.

What’s also interesting is that we have a number of steam turbines in the fleet – in the global fleet, they’re due to come off charter over the next two, three, four, five years.

Answer: distributed_by