Complex sentence: After shopping the script around overseas, Beck eventually attracted the interest of the Japanese studio Toho, which had long wanted to make a "King Kong" film and decided to replace the Frankenstein creature with Godzilla.
Split into simpler sentences: After shopping the script around overseas, Beck eventually attracted the interest of the Japanese studio Toho. Toho had long wanted to make a "King Kong" film and decided to replace the Frankenstein creature with Godzilla.