Это был результат шести лет, в тече

Это был результат шести лет, в течении которых он рисовал

Результаты (английский) 1:

It was the result of six years, during which he painted

Результаты (английский) 2:

This was the result of six years, during which he drew

Результаты (английский) 3:

it was the result of six years, during which he was drawing.