Table:
text: Doctor Who (series 3)
Production
Production
Block Director Writers Producer Code
1 Euros Lyn Russell T Davies Phil Collinson 3X
2 Charles Palmer Russell T Davies Gareth Roberts Phil Collinson 3.1 3.2
3 Richard Clark Russell T Davies Stephen Greenhorn Phil Collinson 3.3 3.6
4 James Strong Helen Raynor Phil Collinson 3.4 3.5
5 Hettie MacDonald Steven Moffat Phil Collinson 3.10
6 Charles Palmer Paul Cornell Susie Liggat 3.8 3.9
7 Graeme Harper Chris Chibnall Russell T Davies Phil Collinson 3.7 3.11
8 Colin Teague Russell T Davies Phil Collinson 3.12 3.13

Question: Who is the producer for director Richard Clark on Doctor Who (series 3)?

Question: What is the lowest block for director Graeme Harper on Doctor Who (series 3)?