Song: Question!
Band: System of a Down
Album: Mezmerize
Tabber: Zach Kraemer

Tuning: CGCFAD (All songs on Mezmerize are tuned Db Ab Db Gb Bb Eb, except this one.)
Acoustic guitar has a capo on 2nd fret! (Or just DADGBE with no capo)

Acoustic intro
|-0-----------------------|-0------------------0-------|
|---0----------0----------|---0---------------0--------|
|-----12----12---12----12-|-----12----------12---------|
|--------10---------10----|--------10\-----9-----------|
|-------------------------|--------------12------------|
|-------------------------|-------------0--------------|

Distortion
                    4x                     4x
|---------------------|----------------------|
|---------------------|----------------------|
|---------------------|----------------------|
|-4--/11-9--7-7h9-6h7-|----------------------|
|-4--/11-9--7-7h9-6h7-|----------------------|
|-4--/11-9--7-7h9-6h7-|-4-44-11-9-7-7-9-6-7--|
                      Pm. .. .. . . . . . .

Verse: clean, w/acoustic intro
|-------------------|
|-------------------|
|-------------------|
|-----2-4-2---2---0-|
|---4-------4---4---|
|-4-----------------|

play 2x, rest 1 bar, play 1x then this fill:
|--------------|
|--------------|
|--------------|
|--------------|
|-2/9\--1/10\--|
|--------------|

Repeat whole verse, but play fill 2x

Pre-Chorus: Acoustic
                        2x
|-3-----3-----0-----0-----|
|-0-----0-----0-----0-----|
|-0-----0-----0-----0-----|
|-2-----2-----2-----2-----|
|-------------------------|
|-------------------------|

Chorus: Distortion
                       3x
|------------------------|---------------------------|
|------------------------|---------------------------|
|------------------------|---------------------------|
|--------6p4--------6p4--|------11p9---12p9---11p----|
|-4----------4-----------|-9-------------------------|
|-4--4-4-----4--4-4------|-9--9------9------9-----9--|
Pm   . .        . .           .      .      .     .

Repeat

Bridge
|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-4-4444-0--4-4444-0--4-4444-0--4-4444-0--|
Pm. ....    . ....    . ....    . ....

|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-----------------------------------------|
|-99999999999999999999999999999999999999--|
Pm......................................

Those are basically the only necessary parts. Great song!