For this case, what we should do is complete the sentence with the correct verb in the future tense.
The personal pronoun we refer to in this case is the first person singular.
In English, the correct sentence is:
I will want to attend the party this weekend.
The translation of this sentence in Spanish is:
yo querré asistir a la fiesta este fin de semana.
Answer:
yo querré asistir a la fiesta este fin de semana.