SB and BB both check

Multi-way River | 3-way: BTN | 100bb effective | Difficulty: Standard

Players in hand: Hero (BTN), SB, BB

Hero hand

A♣Q♣

Board

A♦7♥3♣8♦2♠

Action so far:
River 2♠ on A♦7♥3♣8♦2♠, pot 22bb
SB and BB both check

Pot: 22bb   To call: 0bb

Villain range: SB/BB check-call x2 ranges: Ax weaker, pairs, busted draws

Your move: