Conversation so far:
who has won the australian grand prix this year?
Valtteri Bottas won the australian grand prix in 2019.
what team is Valtteri Bottas?
2019 team. Mercedes.
what nationality is Valtteri Bottas?
Finnish
how long is the Mercedes team tenure of Valtteri Bottas?
Bottas is set to stay at Mercedes for the 2020 season and continue to partner 5 time World Champion Lewis Hamilton.

Question: what is the net worth?
Self-contained rewrite: what is the networth of Valtteri Bottas?